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157714440 = 2335131719313
BaseRepresentation
bin10010110011010…
…00100000001000
3101222202201112120
421121220200020
5310333330230
623352211240
73623356602
oct1131504010
9358681476
10157714440
1181031214
1244999b20
13268a0370
1416d36172
15dca5310
hex9668808

157714440 has 256 divisors, whose sum is σ = 569721600. Its totient is φ = 34504704.

The previous prime is 157714409. The next prime is 157714451. The reversal of 157714440 is 44417751.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 503724 + ... + 504036.

It is an arithmetic number, because the mean of its divisors is an integer number (2225475).

Almost surely, 2157714440 is an apocalyptic number.

157714440 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 157714440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284860800).

157714440 is an abundant number, since it is smaller than the sum of its proper divisors (412007160).

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

157714440 is a wasteful number, since it uses less digits than its factorization.

157714440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 157714440 is about 12558.4409860460. The cubic root of 157714440 is about 540.2861309393.

The spelling of 157714440 in words is "one hundred fifty-seven million, seven hundred fourteen thousand, four hundred forty".