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157457200 = 24523710639
BaseRepresentation
bin10010110001010…
…01101100110000
3101222021122200011
421120221230300
5310302112300
623342504304
73621235615
oct1130515460
9358248604
10157457200
1180975a1a
1244895094
1326810254
1416caa50c
15dc53eba
hex9629b30

157457200 has 60 divisors (see below), whose sum is σ = 388551520. Its totient is φ = 61274880.

The previous prime is 157457189. The next prime is 157457203. The reversal of 157457200 is 2754751.

It is not an unprimeable number, because it can be changed into a prime (157457203) 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, 9481 + ... + 20119.

Almost surely, 2157457200 is an apocalyptic number.

157457200 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 157457200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194275760).

157457200 is an abundant number, since it is smaller than the sum of its proper divisors (231094320).

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

157457200 is a wasteful number, since it uses less digits than its factorization.

157457200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10694 (or 10683 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 157457200 is about 12548.1950893346. The cubic root of 157457200 is about 539.9922266828.

The spelling of 157457200 in words is "one hundred fifty-seven million, four hundred fifty-seven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 37 40 50 74 80 100 148 185 200 296 370 400 592 740 925 1480 1850 2960 3700 7400 10639 14800 21278 42556 53195 85112 106390 170224 212780 265975 393643 425560 531950 787286 851120 1063900 1574572 1968215 2127800 3149144 3936430 4255600 6298288 7872860 9841075 15745720 19682150 31491440 39364300 78728600 157457200