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155801460 = 22356414051
BaseRepresentation
bin10010100100101…
…01011101110100
3101212011112102110
421102111131310
5304341121320
623243211020
73601201443
oct1122253564
9355145373
10155801460
117aa44a41
1244216a70
1326380719
1416998d5a
15da285e0
hex9495774

155801460 has 48 divisors (see below), whose sum is σ = 437032512. Its totient is φ = 41472000.

The previous prime is 155801449. The next prime is 155801467. The reversal of 155801460 is 64108551.

155801460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155801467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36435 + ... + 40485.

It is an arithmetic number, because the mean of its divisors is an integer number (9104844).

Almost surely, 2155801460 is an apocalyptic number.

155801460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155801460 is an abundant number, since it is smaller than the sum of its proper divisors (281231052).

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

155801460 is a wasteful number, since it uses less digits than its factorization.

155801460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4704 (or 4702 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 155801460 is about 12482.0455054450. The cubic root of 155801460 is about 538.0927918148.

The spelling of 155801460 in words is "one hundred fifty-five million, eight hundred one thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 641 1282 1923 2564 3205 3846 4051 6410 7692 8102 9615 12153 12820 16204 19230 20255 24306 38460 40510 48612 60765 81020 121530 243060 2596691 5193382 7790073 10386764 12983455 15580146 25966910 31160292 38950365 51933820 77900730 155801460