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157943650 = 2523158873
BaseRepresentation
bin10010110101000…
…00011101100010
3102000012100221211
421122200131202
5310413144100
623401140334
73625333054
oct1132403542
9360170854
10157943650
1181178447
1244a8a6aa
13269507a7
1416d958d4
15dced1ba
hex96a0762

157943650 has 12 divisors (see below), whose sum is σ = 293775282. Its totient is φ = 63177440.

The previous prime is 157943647. The next prime is 157943683. The reversal of 157943650 is 56349751.

It can be written as a sum of positive squares in 3 ways, for example, as 144744961 + 13198689 = 12031^2 + 3633^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1579387 + ... + 1579486.

Almost surely, 2157943650 is an apocalyptic number.

157943650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157943650 is a deficient number, since it is larger than the sum of its proper divisors (135831632).

157943650 is a wasteful number, since it uses less digits than its factorization.

157943650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158885 (or 3158880 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 157943650 is about 12567.5634074390. The cubic root of 157943650 is about 540.5477409728.

The spelling of 157943650 in words is "one hundred fifty-seven million, nine hundred forty-three thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 3158873 6317746 15794365 31588730 78971825 157943650