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157011216 = 2439373491
BaseRepresentation
bin10010101101111…
…00110100010000
3101221102222220020
421112330310100
5310143324331
623325143440
73614400435
oct1126746420
9357388806
10157011216
11806a093a
12446bab80
13266b525b
1416bd1b8c
15dbb6c96
hex95bcd10

157011216 has 40 divisors (see below), whose sum is σ = 406161504. Its totient is φ = 52266240.

The previous prime is 157011209. The next prime is 157011227. The reversal of 157011216 is 612110751.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 43231 + ... + 46721.

Almost surely, 2157011216 is an apocalyptic number.

157011216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

157011216 is an abundant number, since it is smaller than the sum of its proper divisors (249150288).

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

157011216 is a wasteful number, since it uses less digits than its factorization.

157011216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4439 (or 4433 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 24.

The square root of 157011216 is about 12530.4116452733. The cubic root of 157011216 is about 539.4819173702.

Adding to 157011216 its reverse (612110751), we get a palindrome (769121967).

The spelling of 157011216 in words is "one hundred fifty-seven million, eleven thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 48 937 1874 2811 3491 3748 5622 6982 7496 10473 11244 13964 14992 20946 22488 27928 41892 44976 55856 83784 167568 3271067 6542134 9813201 13084268 19626402 26168536 39252804 52337072 78505608 157011216