Search a number
-
+
125080816 = 2471975669
BaseRepresentation
bin1110111010010…
…01010011110000
322201100202121211
413131021103300
5224010041231
620224525504
73046112050
oct735112360
9281322554
10125080816
1164672083
1235a80894
131cbb5723
141287d560
15aeaaeb1
hex77494f0

125080816 has 40 divisors (see below), whose sum is σ = 278419680. Its totient is φ = 53324544.

The previous prime is 125080807. The next prime is 125080843. The reversal of 125080816 is 618080521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19230 + ... + 24898.

It is an arithmetic number, because the mean of its divisors is an integer number (6960492).

Almost surely, 2125080816 is an apocalyptic number.

125080816 is a gapful number since it is divisible by the number (16) 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 125080816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139209840).

125080816 is an abundant number, since it is smaller than the sum of its proper divisors (153338864).

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

125080816 is a wasteful number, since it uses less digits than its factorization.

125080816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5881 (or 5875 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 125080816 is about 11183.9535049105. The cubic root of 125080816 is about 500.1077314529.

The spelling of 125080816 in words is "one hundred twenty-five million, eighty thousand, eight hundred sixteen".

Divisors: 1 2 4 7 8 14 16 28 56 112 197 394 788 1379 1576 2758 3152 5516 5669 11032 11338 22064 22676 39683 45352 79366 90704 158732 317464 634928 1116793 2233586 4467172 7817551 8934344 15635102 17868688 31270204 62540408 125080816