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157143414 = 23194332057
BaseRepresentation
bin10010101110111…
…01000101110110
3101221200201020110
421113131011312
5310212042124
623332043450
73615461031
oct1127350566
9357621213
10157143414
118078119a
1244763586
132673048c
1416c28018
15dbe1029
hex95dd176

157143414 has 32 divisors (see below), whose sum is σ = 338532480. Its totient is φ = 48468672.

The previous prime is 157143409. The next prime is 157143439. The reversal of 157143414 is 414341751.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11127 + ... + 20930.

It is an arithmetic number, because the mean of its divisors is an integer number (10579140).

Almost surely, 2157143414 is an apocalyptic number.

157143414 is an abundant number, since it is smaller than the sum of its proper divisors (181389066).

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

157143414 is a wasteful number, since it uses less digits than its factorization.

157143414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32124.

The product of its digits is 6720, while the sum is 30.

The square root of 157143414 is about 12535.6856214568. The cubic root of 157143414 is about 539.6332832531.

The spelling of 157143414 in words is "one hundred fifty-seven million, one hundred forty-three thousand, four hundred fourteen".

Divisors: 1 2 3 6 19 38 43 57 86 114 129 258 817 1634 2451 4902 32057 64114 96171 192342 609083 1218166 1378451 1827249 2756902 3654498 4135353 8270706 26190569 52381138 78571707 157143414