Search a number
-
+
159113772 = 223223918493
BaseRepresentation
bin10010111101111…
…10001000101100
3102002101211001200
421132332020230
5311213120042
623442205500
73641305356
oct1136761054
9362354050
10159113772
11818a7594
1245353890
1326c7027c
14171bc0d6
15de7ec4c
hex97be22c

159113772 has 36 divisors (see below), whose sum is σ = 403908960. Its totient is φ = 52813152.

The previous prime is 159113767. The next prime is 159113777. The reversal of 159113772 is 277311951.

It is an interprime number because it is at equal distance from previous prime (159113767) and next prime (159113777).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (159113777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 643 + ... + 17850.

Almost surely, 2159113772 is an apocalyptic number.

159113772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

159113772 is an abundant number, since it is smaller than the sum of its proper divisors (244795188).

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

159113772 is a wasteful number, since it uses less digits than its factorization.

159113772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18742 (or 18737 counting only the distinct ones).

The product of its digits is 13230, while the sum is 36.

The square root of 159113772 is about 12614.0307594361. The cubic root of 159113772 is about 541.8793366191.

It can be divided in two parts, 15911 and 3772, that added together give a 9-th power (19683 = 39).

The spelling of 159113772 in words is "one hundred fifty-nine million, one hundred thirteen thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 239 478 717 956 1434 2151 2868 4302 8604 18493 36986 55479 73972 110958 166437 221916 332874 665748 4419827 8839654 13259481 17679308 26518962 39778443 53037924 79556886 159113772