Search a number
-
+
15345030 = 2354710883
BaseRepresentation
bin111010100010…
…010110000110
31001212121102110
4322202112012
512412020110
61304521450
7244300461
oct72422606
931777373
1015345030
118730a48
125180286
1332436cc
1420762d8
151531a20
hexea2586

15345030 has 32 divisors (see below), whose sum is σ = 37615104. Its totient is φ = 4004576.

The previous prime is 15345007. The next prime is 15345041. The reversal of 15345030 is 3054351.

It is a junction number, because it is equal to n+sod(n) for n = 15344988 and 15345006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4032 + ... + 6851.

It is an arithmetic number, because the mean of its divisors is an integer number (1175472).

Almost surely, 215345030 is an apocalyptic number.

15345030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15345030 is an abundant number, since it is smaller than the sum of its proper divisors (22270074).

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

15345030 is a wasteful number, since it uses less digits than its factorization.

15345030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10940.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 15345030 is about 3917.2732863562. The cubic root of 15345030 is about 248.4978185489.

Adding to 15345030 its reverse (3054351), we get a palindrome (18399381).

The spelling of 15345030 in words is "fifteen million, three hundred forty-five thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 47 94 141 235 282 470 705 1410 10883 21766 32649 54415 65298 108830 163245 326490 511501 1023002 1534503 2557505 3069006 5115010 7672515 15345030