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870972 = 223181401
BaseRepresentation
bin11010100101000111100
31122020202020
43110220330
5210332342
630400140
710255164
oct3245074
91566666
10870972
11545413
12360050
1324658b
141895a4
151230ec
hexd4a3c

870972 has 24 divisors (see below), whose sum is σ = 2048592. Its totient is φ = 288000.

The previous prime is 870967. The next prime is 870977. The reversal of 870972 is 279078.

870972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (870967) and next prime (870977).

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1972 + ... + 2372.

It is an arithmetic number, because the mean of its divisors is an integer number (85358).

2870972 is an apocalyptic number.

It is an amenable number.

870972 is an abundant number, since it is smaller than the sum of its proper divisors (1177620).

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

870972 is a wasteful number, since it uses less digits than its factorization.

870972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 870972 is about 933.2588065483. The cubic root of 870972 is about 95.4995659821.

The spelling of 870972 in words is "eight hundred seventy thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 181 362 401 543 724 802 1086 1203 1604 2172 2406 4812 72581 145162 217743 290324 435486 870972