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804972 = 22372372
BaseRepresentation
bin11000100100001101100
31111220012210
43010201230
5201224342
625130420
76561600
oct3044154
91456183
10804972
114aa873
12329a10
1322251c
1416d500
1510d79c
hexc486c

804972 has 54 divisors (see below), whose sum is σ = 2245572. Its totient is φ = 223776.

The previous prime is 804943. The next prime is 804983. The reversal of 804972 is 279408.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21738 + ... + 21774.

2804972 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 804972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1122786).

804972 is an abundant number, since it is smaller than the sum of its proper divisors (1440600).

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

804972 is a wasteful number, since it uses less digits than its factorization.

804972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 804972 is about 897.2023183207. The cubic root of 804972 is about 93.0236961239.

The spelling of 804972 in words is "eight hundred four thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 37 42 49 74 84 98 111 147 148 196 222 259 294 444 518 588 777 1036 1369 1554 1813 2738 3108 3626 4107 5439 5476 7252 8214 9583 10878 16428 19166 21756 28749 38332 57498 67081 114996 134162 201243 268324 402486 804972