Search a number
-
+
157043712 = 2103767109
BaseRepresentation
bin10010101110001…
…00110000000000
3101221111122110210
421113010300000
5310200344322
623325554120
73614564250
oct1127046000
9357448423
10157043712
11807132a1
1244715940
13266c6c97
1416bdd960
15dbc170c
hex95c4c00

157043712 has 176 divisors, whose sum is σ = 489969920. Its totient is φ = 43794432.

The previous prime is 157043669. The next prime is 157043723. The reversal of 157043712 is 217340751.

It is a self number, because there is not a number n which added to its sum of digits gives 157043712.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1440714 + ... + 1440822.

It is an arithmetic number, because the mean of its divisors is an integer number (2783920).

Almost surely, 2157043712 is an apocalyptic number.

157043712 is a gapful number since it is divisible by the number (12) 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 157043712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244984960).

157043712 is an abundant number, since it is smaller than the sum of its proper divisors (332926208).

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

157043712 is a wasteful number, since it uses less digits than its factorization.

157043712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 157043712 is about 12531.7082634412. The cubic root of 157043712 is about 539.5191329602.

The spelling of 157043712 in words is "one hundred fifty-seven million, forty-three thousand, seven hundred twelve".