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15134730 = 23513151257
BaseRepresentation
bin111001101111…
…000000001010
31001110220221120
4321233000022
512333302410
61300220110
7242433402
oct71570012
931426846
1015134730
1185a7a46
12509a636
13319ba80
14201d802
1514de570
hexe6f00a

15134730 has 64 divisors (see below), whose sum is σ = 39529728. Its totient is φ = 3686400.

The previous prime is 15134719. The next prime is 15134731. The reversal of 15134730 is 3743151.

It is a self number, because there is not a number n which added to its sum of digits gives 15134730.

It is not an unprimeable number, because it can be changed into a prime (15134731) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 58762 + ... + 59018.

It is an arithmetic number, because the mean of its divisors is an integer number (617652).

Almost surely, 215134730 is an apocalyptic number.

15134730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15134730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19764864).

15134730 is an abundant number, since it is smaller than the sum of its proper divisors (24394998).

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

15134730 is a wasteful number, since it uses less digits than its factorization.

15134730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 15134730 is about 3890.3380315854. The cubic root of 15134730 is about 247.3573915726.

Adding to 15134730 its reverse (3743151), we get a palindrome (18877881).

The spelling of 15134730 in words is "fifteen million, one hundred thirty-four thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 151 195 257 302 390 453 514 755 771 906 1285 1510 1542 1963 2265 2570 3341 3855 3926 4530 5889 6682 7710 9815 10023 11778 16705 19630 20046 29445 33410 38807 50115 58890 77614 100230 116421 194035 232842 388070 504491 582105 1008982 1164210 1513473 2522455 3026946 5044910 7567365 15134730