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157410122 = 278705061
BaseRepresentation
bin10010110000111…
…10001101001010
3101222012021002112
421120132031022
5310244110442
623341502322
73620651432
oct1130361512
9358167075
10157410122
1180943611
12448719a2
13267c49ac
1416c972c2
15dc45082
hex961e34a

157410122 has 4 divisors (see below), whose sum is σ = 236115186. Its totient is φ = 78705060.

The previous prime is 157410109. The next prime is 157410131. The reversal of 157410122 is 221014751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221014751 = 239609337.

It can be written as a sum of positive squares in only one way, i.e., 156975841 + 434281 = 12529^2 + 659^2 .

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 as a sum of consecutive naturals, namely, 39352529 + ... + 39352532.

Almost surely, 2157410122 is an apocalyptic number.

157410122 is a deficient number, since it is larger than the sum of its proper divisors (78705064).

157410122 is an equidigital number, since it uses as much as digits as its factorization.

157410122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78705063.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 157410122 is about 12546.3190617806. The cubic root of 157410122 is about 539.9384040396.

Adding to 157410122 its reverse (221014751), we get a palindrome (378424873).

The spelling of 157410122 in words is "one hundred fifty-seven million, four hundred ten thousand, one hundred twenty-two".

Divisors: 1 2 78705061 157410122