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157402154 = 27134718401
BaseRepresentation
bin10010110000111…
…00010000101010
3101222011212011102
421120130100222
5310243332104
623341401402
73620616260
oct1130342052
9358155142
10157402154
1180938628
1244869262
13267c1190
1416c94430
15dc42a1e
hex961c42a

157402154 has 32 divisors (see below), whose sum is σ = 296787456. Its totient is φ = 60940800.

The previous prime is 157402151. The next prime is 157402171. The reversal of 157402154 is 451204751.

It is not an unprimeable number, because it can be changed into a prime (157402151) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 647 + ... + 17754.

It is an arithmetic number, because the mean of its divisors is an integer number (9274608).

Almost surely, 2157402154 is an apocalyptic number.

157402154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

157402154 is a deficient number, since it is larger than the sum of its proper divisors (139385302).

157402154 is a wasteful number, since it uses less digits than its factorization.

157402154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18470.

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

The square root of 157402154 is about 12546.0015144268. The cubic root of 157402154 is about 539.9292934400.

The spelling of 157402154 in words is "one hundred fifty-seven million, four hundred two thousand, one hundred fifty-four".

Divisors: 1 2 7 13 14 26 47 91 94 182 329 611 658 1222 4277 8554 18401 36802 128807 239213 257614 478426 864847 1674491 1729694 3348982 6053929 11243011 12107858 22486022 78701077 157402154