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157438196 = 22415359307
BaseRepresentation
bin10010110001001…
…01000011110100
3101222020200121022
421120211003310
5310301010241
623342240312
73621126326
oct1130450364
9358220538
10157438196
1180962713
1244886098
13268046c6
1416ca3616
15dc4d54b
hex96250f4

157438196 has 48 divisors (see below), whose sum is σ = 293388480. Its totient is φ = 73831680.

The previous prime is 157438159. The next prime is 157438201. The reversal of 157438196 is 691834751.

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, 512675 + ... + 512981.

It is an arithmetic number, because the mean of its divisors is an integer number (6112260).

Almost surely, 2157438196 is an apocalyptic number.

It is an amenable number.

157438196 is a deficient number, since it is larger than the sum of its proper divisors (135950284).

157438196 is a wasteful number, since it uses less digits than its factorization.

157438196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 462 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 157438196 is about 12547.4378261062. The cubic root of 157438196 is about 539.9705013607.

The spelling of 157438196 in words is "one hundred fifty-seven million, four hundred thirty-eight thousand, one hundred ninety-six".

Divisors: 1 2 4 41 53 59 82 106 118 164 212 236 307 614 1228 2173 2419 3127 4346 4838 6254 8692 9676 12508 12587 16271 18113 25174 32542 36226 50348 65084 72452 128207 256414 512828 667111 742633 959989 1334222 1485266 1919978 2668444 2970532 3839956 39359549 78719098 157438196