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157946894 = 272592463
BaseRepresentation
bin10010110101000…
…01010000001110
3102000012112101222
421122201100032
5310413300034
623401203342
73625345400
oct1132412016
9360175358
10157946894
118117a926
1244a90552
1326952101
1416d96b70
15dcee12e
hex96a140e

157946894 has 36 divisors (see below), whose sum is σ = 280957104. Its totient is φ = 66400488.

The previous prime is 157946857. The next prime is 157946903. The reversal of 157946894 is 498649751.

157946894 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 340907 + ... + 341369.

It is an arithmetic number, because the mean of its divisors is an integer number (7804364).

Almost surely, 2157946894 is an apocalyptic number.

157946894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

157946894 is a deficient number, since it is larger than the sum of its proper divisors (123010210).

157946894 is an equidigital number, since it uses as much as digits as its factorization.

157946894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 531 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 53.

The square root of 157946894 is about 12567.6924691846. The cubic root of 157946894 is about 540.5514417122.

The spelling of 157946894 in words is "one hundred fifty-seven million, nine hundred forty-six thousand, eight hundred ninety-four".

Divisors: 1 2 7 14 49 59 98 118 413 463 826 926 2891 3241 3481 5782 6482 6962 22687 24367 27317 45374 48734 54634 170569 191219 341138 382438 1338533 1611703 2677066 3223406 11281921 22563842 78973447 157946894