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157452400 = 24527531061
BaseRepresentation
bin10010110001010…
…00100001110000
3101222021102002101
421120220201300
5310301434100
623342430144
73621215620
oct1130504160
9358242071
10157452400
1180972356
1244892354
132680b001
1416ca8880
15dc5286a
hex9628870

157452400 has 120 divisors (see below), whose sum is σ = 440891424. Its totient is φ = 52915200.

The previous prime is 157452391. The next prime is 157452401. The reversal of 157452400 is 4254751.

157452400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157452401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147870 + ... + 148930.

Almost surely, 2157452400 is an apocalyptic number.

157452400 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 157452400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220445712).

157452400 is an abundant number, since it is smaller than the sum of its proper divisors (283439024).

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

157452400 is a wasteful number, since it uses less digits than its factorization.

157452400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139 (or 1128 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 157452400 is about 12548.0038253102. The cubic root of 157452400 is about 539.9867395006.

It can be divided in two parts, 15745 and 2400, that added together give a triangular number (18145 = T190).

The spelling of 157452400 in words is "one hundred fifty-seven million, four hundred fifty-two thousand, four hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 53 56 70 80 100 106 112 140 175 200 212 265 280 350 371 400 424 530 560 700 742 848 1060 1061 1325 1400 1484 1855 2120 2122 2650 2800 2968 3710 4240 4244 5300 5305 5936 7420 7427 8488 9275 10600 10610 14840 14854 16976 18550 21200 21220 26525 29680 29708 37100 37135 42440 53050 56233 59416 74200 74270 84880 106100 112466 118832 148400 148540 185675 212200 224932 281165 297080 371350 393631 424400 449864 562330 594160 742700 787262 899728 1124660 1405825 1485400 1574524 1968155 2249320 2811650 2970800 3149048 3936310 4498640 5623300 6298096 7872620 9840775 11246600 15745240 19681550 22493200 31490480 39363100 78726200 157452400