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157792130 = 25175383211
BaseRepresentation
bin10010110011110…
…11011110000010
3101222220200002222
421121323132002
5310343322010
623354011042
73624132236
oct1131733602
9358820088
10157792130
1181084621
1244a16a82
13268c9832
1416d565c6
15dcbd355
hex967b782

157792130 has 64 divisors (see below), whose sum is σ = 311568768. Its totient is φ = 57308160.

The previous prime is 157792127. The next prime is 157792133. The reversal of 157792130 is 31297751.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (157792127) and next prime (157792133).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (157792133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 747725 + ... + 747935.

It is an arithmetic number, because the mean of its divisors is an integer number (4868262).

Almost surely, 2157792130 is an apocalyptic number.

157792130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157792130 is a deficient number, since it is larger than the sum of its proper divisors (153776638).

157792130 is a wasteful number, since it uses less digits than its factorization.

157792130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371.

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 157792130 is about 12561.5337439343. The cubic root of 157792130 is about 540.3748312070.

The spelling of 157792130 in words is "one hundred fifty-seven million, seven hundred ninety-two thousand, one hundred thirty".

Divisors: 1 2 5 10 17 34 53 83 85 106 166 170 211 265 415 422 530 830 901 1055 1411 1802 2110 2822 3587 4399 4505 7055 7174 8798 9010 11183 14110 17513 17935 21995 22366 35026 35870 43990 55915 74783 87565 111830 149566 175130 190111 297721 373915 380222 595442 747830 928189 950555 1488605 1856378 1901110 2977210 4640945 9281890 15779213 31558426 78896065 157792130