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3125230530 = 2351729375711
BaseRepresentation
bin1011101001000111…
…0011101111000010
322001210200011022220
42322101303233002
522400024334110
61234040311510
7140306010162
oct27221635702
98053604286
103125230530
111364124a54
12732772596
133aa620146
142190c45a2
1513457e370
hexba473bc2

3125230530 has 128 divisors (see below), whose sum is σ = 8439137280. Its totient is φ = 736727040.

The previous prime is 3125230421. The next prime is 3125230553. The reversal of 3125230530 is 350325213.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3125230530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 544375 + ... + 550085.

It is an arithmetic number, because the mean of its divisors is an integer number (65930760).

Almost surely, 23125230530 is an apocalyptic number.

3125230530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3125230530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4219568640).

3125230530 is an abundant number, since it is smaller than the sum of its proper divisors (5313906750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3125230530 is a wasteful number, since it uses less digits than its factorization.

3125230530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5804.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 3125230530 is about 55903.7613224727. The cubic root of 3125230530 is about 1462.0448188256.

Adding to 3125230530 its reverse (350325213), we get a palindrome (3475555743).

The spelling of 3125230530 in words is "three billion, one hundred twenty-five million, two hundred thirty thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 29 30 34 37 51 58 74 85 87 102 111 145 170 174 185 222 255 290 370 435 493 510 555 629 870 986 1073 1110 1258 1479 1887 2146 2465 2958 3145 3219 3774 4930 5365 5711 6290 6438 7395 9435 10730 11422 14790 16095 17133 18241 18870 28555 32190 34266 36482 54723 57110 85665 91205 97087 109446 165619 171330 182410 194174 211307 273615 291261 331238 422614 485435 496857 547230 582522 633921 828095 970870 993714 1056535 1267842 1456305 1656190 2113070 2484285 2815523 2912610 3169605 3592219 4968570 5631046 6127903 6339210 7184438 8446569 10776657 12255806 14077615 16893138 17961095 18383709 21553314 28155230 30639515 35922190 36767418 42232845 53883285 61279030 84465690 91918545 104174351 107766570 183837090 208348702 312523053 520871755 625046106 1041743510 1562615265 3125230530