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151972156 = 2275427577
BaseRepresentation
bin10010000111011…
…10100100111100
3101120221222121101
421003232210330
5302401102111
623025142444
73523512340
oct1103564474
9346858541
10151972156
1178869a26
1242a8aa24
132563c76b
141627d620
15d51dbc1
hex90ee93c

151972156 has 12 divisors (see below), whose sum is σ = 303944368. Its totient is φ = 65130912.

The previous prime is 151972133. The next prime is 151972189. The reversal of 151972156 is 651279151.

151972156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

151972156 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2713761 + ... + 2713816.

Almost surely, 2151972156 is an apocalyptic number.

It is an amenable number.

151972156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

151972156 is a wasteful number, since it uses less digits than its factorization.

151972156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5427588 (or 5427586 counting only the distinct ones).

The product of its digits is 18900, while the sum is 37.

The square root of 151972156 is about 12327.6987309068. The cubic root of 151972156 is about 533.6477404844.

The spelling of 151972156 in words is "one hundred fifty-one million, nine hundred seventy-two thousand, one hundred fifty-six".

Divisors: 1 2 4 7 14 28 5427577 10855154 21710308 37993039 75986078 151972156