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157450320 = 24325218681
BaseRepresentation
bin10010110001010…
…00000001010000
3101222021022020100
421120220001100
5310301402240
623342412400
73621206556
oct1130500120
9358238210
10157450320
1180970835
1244891100
132680a091
1416ca7bd6
15dc51e30
hex9628050

157450320 has 60 divisors (see below), whose sum is σ = 528773076. Its totient is φ = 41986560.

The previous prime is 157450301. The next prime is 157450327. The reversal of 157450320 is 23054751.

It is a happy number.

157450320 is a `hidden beast` number, since 157 + 4 + 503 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18870336 + 138579984 = 4344^2 + 11772^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157450327) 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, 108621 + ... + 110060.

Almost surely, 2157450320 is an apocalyptic number.

157450320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157450320 is an abundant number, since it is smaller than the sum of its proper divisors (371322756).

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

157450320 is a wasteful number, since it uses less digits than its factorization.

157450320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218700 (or 218691 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 157450320 is about 12547.9209433276. The cubic root of 157450320 is about 539.9843616870.

The spelling of 157450320 in words is "one hundred fifty-seven million, four hundred fifty thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 218681 437362 656043 874724 1093405 1312086 1749448 1968129 2186810 2624172 3280215 3498896 3936258 4373620 5248344 6560430 7872516 8747240 9840645 10496688 13120860 15745032 17494480 19681290 26241720 31490064 39362580 52483440 78725160 157450320