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156742996 = 2239185749
BaseRepresentation
bin10010101011110…
…11010101010100
3101220221100222011
421111323111110
5310111233441
623315314004
73612202444
oct1125732524
9356840864
10156742996
1180528373
12445ab904
1326620147
1416b62124
15db62581
hex957b554

156742996 has 6 divisors (see below), whose sum is σ = 274300250. Its totient is φ = 78371496.

The previous prime is 156742939. The next prime is 156743021. The reversal of 156742996 is 699247651.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 103306896 + 53436100 = 10164^2 + 7310^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19592871 + ... + 19592878.

Almost surely, 2156742996 is an apocalyptic number.

It is an amenable number.

156742996 is a deficient number, since it is larger than the sum of its proper divisors (117557254).

156742996 is a wasteful number, since it uses less digits than its factorization.

156742996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39185753 (or 39185751 counting only the distinct ones).

The product of its digits is 816480, while the sum is 49.

The square root of 156742996 is about 12519.7043096073. The cubic root of 156742996 is about 539.1745458799.

The spelling of 156742996 in words is "one hundred fifty-six million, seven hundred forty-two thousand, nine hundred ninety-six".

Divisors: 1 2 4 39185749 78371498 156742996