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157150442 = 2491160031
BaseRepresentation
bin10010101110111…
…10110011101010
3101221201001212202
421113132303222
5310212303232
623332140202
73615520361
oct1127366352
9357631782
10157150442
11807864a9
1244767662
1326733737
1416c2a7d8
15dbe3162
hex95decea

157150442 has 8 divisors (see below), whose sum is σ = 236207232. Its totient is φ = 78414700.

The previous prime is 157150369. The next prime is 157150451. The reversal of 157150442 is 244051751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1571504422 = 49392522841590728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79034 + ... + 80997.

It is an arithmetic number, because the mean of its divisors is an integer number (29525904).

Almost surely, 2157150442 is an apocalyptic number.

157150442 is a deficient number, since it is larger than the sum of its proper divisors (79056790).

157150442 is a wasteful number, since it uses less digits than its factorization.

157150442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160524.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 157150442 is about 12535.9659380520. The cubic root of 157150442 is about 539.6413278922.

The spelling of 157150442 in words is "one hundred fifty-seven million, one hundred fifty thousand, four hundred forty-two".

Divisors: 1 2 491 982 160031 320062 78575221 157150442