Search a number
-
+
157147704 = 23327244543
BaseRepresentation
bin10010101110111…
…10001000111000
3101221200221010100
421113132020320
5310212211304
623332115400
73615506400
oct1127361070
9357627110
10157147704
118078443a
1244765b60
132673240c
1416c29800
15dbe2439
hex95de238

157147704 has 72 divisors (see below), whose sum is σ = 495106560. Its totient is φ = 44898336.

The previous prime is 157147693. The next prime is 157147721. The reversal of 157147704 is 407741751.

157147704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 18744 + ... + 25799.

It is an arithmetic number, because the mean of its divisors is an integer number (6876480).

Almost surely, 2157147704 is an apocalyptic number.

157147704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

157147704 is an abundant number, since it is smaller than the sum of its proper divisors (337958856).

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

157147704 is a wasteful number, since it uses less digits than its factorization.

157147704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44569 (or 44555 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 36.

The square root of 157147704 is about 12535.8567317914. The cubic root of 157147704 is about 539.6381938539.

The spelling of 157147704 in words is "one hundred fifty-seven million, one hundred forty-seven thousand, seven hundred four".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 49 56 63 72 84 98 126 147 168 196 252 294 392 441 504 588 882 1176 1764 3528 44543 89086 133629 178172 267258 311801 356344 400887 534516 623602 801774 935403 1069032 1247204 1603548 1870806 2182607 2494408 2806209 3207096 3741612 4365214 5612418 6547821 7483224 8730428 11224836 13095642 17460856 19643463 22449672 26191284 39286926 52382568 78573852 157147704