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157033142 = 2721602379
BaseRepresentation
bin10010101110000…
…10001010110110
3101221111002222022
421113002022312
5310200030032
623325433142
73614521400
oct1127021266
9357432868
10157033142
1180706362
124470b7b2
13266c2226
1416bd9b70
15dbbd512
hex95c22b6

157033142 has 12 divisors (see below), whose sum is σ = 274006980. Its totient is φ = 67299876.

The previous prime is 157033141. The next prime is 157033153. The reversal of 157033142 is 241330751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157033141) 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 5 ways as a sum of consecutive naturals, for example, 801092 + ... + 801287.

It is an arithmetic number, because the mean of its divisors is an integer number (22833915).

Almost surely, 2157033142 is an apocalyptic number.

157033142 is a deficient number, since it is larger than the sum of its proper divisors (116973838).

157033142 is a wasteful number, since it uses less digits than its factorization.

157033142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602395 (or 1602388 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 157033142 is about 12531.2865261313. The cubic root of 157033142 is about 539.5070283788.

Adding to 157033142 its reverse (241330751), we get a palindrome (398363893).

The spelling of 157033142 in words is "one hundred fifty-seven million, thirty-three thousand, one hundred forty-two".

Divisors: 1 2 7 14 49 98 1602379 3204758 11216653 22433306 78516571 157033142