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157330201 = 722475743
BaseRepresentation
bin10010110000010…
…10101100011001
3101222001012110111
421120022230121
5310234031301
623340044321
73620166430
oct1130125431
9358035414
10157330201
1180899566
12448336a1
13267974c2
1416c76117
15dc2b551
hex960ab19

157330201 has 4 divisors (see below), whose sum is σ = 179805952. Its totient is φ = 134854452.

The previous prime is 157330193. The next prime is 157330211. The reversal of 157330201 is 102033751.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102033751 = 691147661.

It is a cyclic number.

It is not a de Polignac number, because 157330201 - 23 = 157330193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157330211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11237865 + ... + 11237878.

It is an arithmetic number, because the mean of its divisors is an integer number (44951488).

Almost surely, 2157330201 is an apocalyptic number.

It is an amenable number.

157330201 is a deficient number, since it is larger than the sum of its proper divisors (22475751).

157330201 is an equidigital number, since it uses as much as digits as its factorization.

157330201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22475750.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 157330201 is about 12543.1336196343. The cubic root of 157330201 is about 539.8470085565.

Adding to 157330201 its reverse (102033751), we get a palindrome (259363952).

The spelling of 157330201 in words is "one hundred fifty-seven million, three hundred thirty thousand, two hundred one".

Divisors: 1 7 22475743 157330201