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157072414 = 2180143607
BaseRepresentation
bin10010101110010…
…11110000011110
3101221120002211211
421113023300132
5310202304124
623330335034
73615044032
oct1127136036
9357502754
10157072414
1180732914
124472a47a
1326707075
1416c0a1c2
15dbc9e94
hex95cbc1e

157072414 has 8 divisors (see below), whose sum is σ = 235744848. Its totient is φ = 78490800.

The previous prime is 157072397. The next prime is 157072417. The reversal of 157072414 is 414270751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157072417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18202 + ... + 25405.

It is an arithmetic number, because the mean of its divisors is an integer number (29468106).

Almost surely, 2157072414 is an apocalyptic number.

157072414 is a deficient number, since it is larger than the sum of its proper divisors (78672434).

157072414 is a wasteful number, since it uses less digits than its factorization.

157072414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45410.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 157072414 is about 12532.8533862006. The cubic root of 157072414 is about 539.5519992551.

It can be divided in two parts, 1570 and 72414, that added together give a square (73984 = 2722).

The spelling of 157072414 in words is "one hundred fifty-seven million, seventy-two thousand, four hundred fourteen".

Divisors: 1 2 1801 3602 43607 87214 78536207 157072414