Search a number
-
+
157321600 = 2752211233
BaseRepresentation
bin10010110000010…
…00100110000000
3101222000202122221
421120020212000
5310233242400
623335540424
73620132362
oct1130104600
9358022587
10157321600
1180893057
124482a714
1326793607
1416c72d32
15dc28c1a
hex9608980

157321600 has 96 divisors (see below), whose sum is σ = 392151240. Its totient is φ = 62361600.

The previous prime is 157321589. The next prime is 157321601. The reversal of 157321600 is 6123751.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157321601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 675084 + ... + 675316.

Almost surely, 2157321600 is an apocalyptic number.

157321600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157321600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196075620).

157321600 is an abundant number, since it is smaller than the sum of its proper divisors (234829640).

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

157321600 is a wasteful number, since it uses less digits than its factorization.

157321600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 157321600 is about 12542.7907580411. The cubic root of 157321600 is about 539.8371708422.

The spelling of 157321600 in words is "one hundred fifty-seven million, three hundred twenty-one thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 211 233 320 400 422 466 640 800 844 932 1055 1165 1600 1688 1864 2110 2330 3200 3376 3728 4220 4660 5275 5825 6752 7456 8440 9320 10550 11650 13504 14912 16880 18640 21100 23300 27008 29824 33760 37280 42200 46600 49163 67520 74560 84400 93200 98326 135040 149120 168800 186400 196652 245815 337600 372800 393304 491630 675200 745600 786608 983260 1229075 1573216 1966520 2458150 3146432 3933040 4916300 6292864 7866080 9832600 15732160 19665200 31464320 39330400 78660800 157321600