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157071652 = 22181121683
BaseRepresentation
bin10010101110010…
…11100100100100
3101221120001210121
421113023210210
5310202243102
623330331324
73615041563
oct1127134444
9357501717
10157071652
1180732291
1244729b44
132670690a
1416c09bda
15dbc9b37
hex95cb924

157071652 has 12 divisors (see below), whose sum is σ = 275039856. Its totient is φ = 78488840.

The previous prime is 157071643. The next prime is 157071659. The reversal of 157071652 is 256170751.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (157071659) 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 in 3 ways as a sum of consecutive naturals, for example, 3598 + ... + 18085.

It is an arithmetic number, because the mean of its divisors is an integer number (22919988).

Almost surely, 2157071652 is an apocalyptic number.

It is an amenable number.

157071652 is a deficient number, since it is larger than the sum of its proper divisors (117968204).

157071652 is a wasteful number, since it uses less digits than its factorization.

157071652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23498 (or 23496 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 34.

The square root of 157071652 is about 12532.8229860634. The cubic root of 157071652 is about 539.5511267503.

Subtracting 157071652 from its reverse (256170751), we obtain a palindrome (99099099).

The spelling of 157071652 in words is "one hundred fifty-seven million, seventy-one thousand, six hundred fifty-two".

Divisors: 1 2 4 1811 3622 7244 21683 43366 86732 39267913 78535826 157071652