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980928 = 263213131
BaseRepresentation
bin11101111011111000000
31211211120200
43233133000
5222342203
633005200
711223564
oct3573700
91754520
10980928
1160aa93
123b3800
13284640
141b76a4
151459a3
hexef7c0

980928 has 84 divisors (see below), whose sum is σ = 3051048. Its totient is φ = 299520.

The previous prime is 980921. The next prime is 980957. The reversal of 980928 is 829089.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 980892 and 980901.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 980928.

It is not an unprimeable number, because it can be changed into a prime (980921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7423 + ... + 7553.

It is an arithmetic number, because the mean of its divisors is an integer number (36322).

2980928 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 980928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1525524).

980928 is an abundant number, since it is smaller than the sum of its proper divisors (2070120).

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

980928 is a wasteful number, since it uses less digits than its factorization.

980928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 980928 is about 990.4180935342. The cubic root of 980928 is about 99.3601817231.

The spelling of 980928 in words is "nine hundred eighty thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 64 72 78 96 104 117 131 144 156 192 208 234 262 288 312 393 416 468 524 576 624 786 832 936 1048 1179 1248 1572 1703 1872 2096 2358 2496 3144 3406 3744 4192 4716 5109 6288 6812 7488 8384 9432 10218 12576 13624 15327 18864 20436 25152 27248 30654 37728 40872 54496 61308 75456 81744 108992 122616 163488 245232 326976 490464 980928