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157930224 = 2433290213
BaseRepresentation
bin10010110100111…
…01001011110000
3102000011200112120
421122131023300
5310412231344
623400554240
73625245654
oct1132351360
9360150476
10157930224
1181169351
1244a82980
132694764a
1416d90a64
15dce9219
hex969d2f0

157930224 has 20 divisors (see below), whose sum is σ = 407986536. Its totient is φ = 52643392.

The previous prime is 157930217. The next prime is 157930229. The reversal of 157930224 is 422039751.

157930224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157930229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645059 + ... + 1645154.

Almost surely, 2157930224 is an apocalyptic number.

It is an amenable number.

157930224 is an abundant number, since it is smaller than the sum of its proper divisors (250056312).

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

157930224 is a wasteful number, since it uses less digits than its factorization.

157930224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290224 (or 3290218 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 157930224 is about 12567.0292432221. The cubic root of 157930224 is about 540.5324241185.

Adding to 157930224 its reverse (422039751), we get a palindrome (579969975).

The spelling of 157930224 in words is "one hundred fifty-seven million, nine hundred thirty thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 3290213 6580426 9870639 13160852 19741278 26321704 39482556 52643408 78965112 157930224