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157026342 = 231147223227
BaseRepresentation
bin10010101110000…
…00100000100110
3101221110202122110
421113000200212
5310144320332
623325341450
73614462514
oct1127004046
9357422573
10157026342
1180701240
1244707886
13266bc0c5
1416bd74b4
15dbbb4cc
hex95c0826

157026342 has 64 divisors (see below), whose sum is σ = 353009664. Its totient is φ = 46158240.

The previous prime is 157026341. The next prime is 157026367. The reversal of 157026342 is 243620751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157026341) 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, 691633 + ... + 691859.

It is an arithmetic number, because the mean of its divisors is an integer number (5515776).

Almost surely, 2157026342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157026342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176504832).

157026342 is an abundant number, since it is smaller than the sum of its proper divisors (195983322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157026342 is a wasteful number, since it uses less digits than its factorization.

157026342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 157026342 is about 12531.0152022891. The cubic root of 157026342 is about 539.4992408491.

The spelling of 157026342 in words is "one hundred fifty-seven million, twenty-six thousand, three hundred forty-two".

Divisors: 1 2 3 6 11 22 33 47 66 94 141 223 227 282 446 454 517 669 681 1034 1338 1362 1551 2453 2497 3102 4906 4994 7359 7491 10481 10669 14718 14982 20962 21338 31443 32007 50621 62886 64014 101242 115291 117359 151863 230582 234718 303726 345873 352077 556831 691746 704154 1113662 1670493 2379187 3340986 4758374 7137561 14275122 26171057 52342114 78513171 157026342