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157843216 = 249865201
BaseRepresentation
bin10010110100001…
…11111100010000
3102000000021012001
421122013330100
5310401440331
623355043344
73624434206
oct1132077420
9360007161
10157843216
1181109a43
1244a40554
1326916b6b
1416d6b076
15dccd561
hex9687f10

157843216 has 10 divisors (see below), whose sum is σ = 305821262. Its totient is φ = 78921600.

The previous prime is 157843199. The next prime is 157843219. The reversal of 157843216 is 612348751.

It can be written as a sum of positive squares in only one way, i.e., 82083600 + 75759616 = 9060^2 + 8704^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157843219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4932585 + ... + 4932616.

Almost surely, 2157843216 is an apocalyptic number.

157843216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

157843216 is a deficient number, since it is larger than the sum of its proper divisors (147978046).

157843216 is an equidigital number, since it uses as much as digits as its factorization.

157843216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9865209 (or 9865203 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 157843216 is about 12563.5670094126. The cubic root of 157843216 is about 540.4331412761.

The spelling of 157843216 in words is "one hundred fifty-seven million, eight hundred forty-three thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 9865201 19730402 39460804 78921608 157843216