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157493200 = 24522913577
BaseRepresentation
bin10010110001100…
…10011111010000
3101222100111001111
421120302133100
5310304240300
623343343104
73621445564
oct1130623720
9358314044
10157493200
118099aa77
12448b1a94
1326823757
1416cb96a4
15dc5e9ba
hex96327d0

157493200 has 60 divisors (see below), whose sum is σ = 391453740. Its totient is φ = 60820480.

The previous prime is 157493197. The next prime is 157493207. The reversal of 157493200 is 2394751.

It can be written as a sum of positive squares in 6 ways, for example, as 4426816 + 153066384 = 2104^2 + 12372^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157493207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4812 + ... + 18388.

It is an arithmetic number, because the mean of its divisors is an integer number (6524229).

Almost surely, 2157493200 is an apocalyptic number.

157493200 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 157493200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195726870).

157493200 is an abundant number, since it is smaller than the sum of its proper divisors (233960540).

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

157493200 is a wasteful number, since it uses less digits than its factorization.

157493200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13624 (or 13613 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 157493200 is about 12549.6294766021. The cubic root of 157493200 is about 540.0333769950.

The spelling of 157493200 in words is "one hundred fifty-seven million, four hundred ninety-three thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 29 40 50 58 80 100 116 145 200 232 290 400 464 580 725 1160 1450 2320 2900 5800 11600 13577 27154 54308 67885 108616 135770 217232 271540 339425 393733 543080 678850 787466 1086160 1357700 1574932 1968665 2715400 3149864 3937330 5430800 6299728 7874660 9843325 15749320 19686650 31498640 39373300 78746600 157493200