Search a number
-
+
887044128 = 25323217467
BaseRepresentation
bin110100110111110…
…011100000100000
32021211010111210020
4310313303200200
53304040403003
6224004233440
730660515325
oct6467634040
92254114706
10887044128
11415793423
1220909b880
13111a0b5a9
1485b46b4c
1552d1cd53
hex34df3820

887044128 has 72 divisors (see below), whose sum is σ = 2434270608. Its totient is φ = 282809472.

The previous prime is 887044069. The next prime is 887044163. The reversal of 887044128 is 821440788.

It is a self number, because there is not a number n which added to its sum of digits gives 887044128.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42051 + ... + 59517.

It is an arithmetic number, because the mean of its divisors is an integer number (33809314).

Almost surely, 2887044128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 887044128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1217135304).

887044128 is an abundant number, since it is smaller than the sum of its proper divisors (1547226480).

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

887044128 is a wasteful number, since it uses less digits than its factorization.

887044128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17526 (or 17495 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 42.

The square root of 887044128 is about 29783.2860510723. The cubic root of 887044128 is about 960.8341014652.

The spelling of 887044128 in words is "eight hundred eighty-seven million, forty-four thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 23 24 32 46 48 69 92 96 138 184 276 368 529 552 736 1058 1104 1587 2116 2208 3174 4232 6348 8464 12696 16928 17467 25392 34934 50784 52401 69868 104802 139736 209604 279472 401741 419208 558944 803482 838416 1205223 1606964 1676832 2410446 3213928 4820892 6427856 9240043 9641784 12855712 18480086 19283568 27720129 36960172 38567136 55440258 73920344 110880516 147840688 221761032 295681376 443522064 887044128