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157790126 = 21337164023
BaseRepresentation
bin10010110011110…
…10111110101110
3101222220120100202
421121322332232
5310343241001
623353553502
73624123344
oct1131727656
9358816322
10157790126
118108306a
1244a15892
13268c8950
1416d55994
15dcbc96b
hex967afae

157790126 has 16 divisors (see below), whose sum is σ = 261782304. Its totient is φ = 70857504.

The previous prime is 157790123. The next prime is 157790153. The reversal of 157790126 is 621097751.

It is a self number, because there is not a number n which added to its sum of digits gives 157790126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157790123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81050 + ... + 82973.

It is an arithmetic number, because the mean of its divisors is an integer number (16361394).

Almost surely, 2157790126 is an apocalyptic number.

157790126 is a deficient number, since it is larger than the sum of its proper divisors (103992178).

157790126 is a wasteful number, since it uses less digits than its factorization.

157790126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164075.

The product of its (nonzero) digits is 26460, while the sum is 38.

The square root of 157790126 is about 12561.4539763516. The cubic root of 157790126 is about 540.3725435649.

The spelling of 157790126 in words is "one hundred fifty-seven million, seven hundred ninety thousand, one hundred twenty-six".

Divisors: 1 2 13 26 37 74 481 962 164023 328046 2132299 4264598 6068851 12137702 78895063 157790126