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870034 = 21171557
BaseRepresentation
bin11010100011010010010
31122012110111
43110122102
5210320114
630351534
710252354
oct3243222
91565414
10870034
11544740
1235b5aa
13246019
141890d4
15122bc4
hexd4692

870034 has 16 divisors (see below), whose sum is σ = 1446336. Its totient is φ = 389200.

The previous prime is 870031. The next prime is 870047. The reversal of 870034 is 430078.

It is a super-2 number, since 2×8700342 = 1513918322312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 869987 and 870014.

It is not an unprimeable number, because it can be changed into a prime (870031) 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, 1284 + ... + 1840.

It is an arithmetic number, because the mean of its divisors is an integer number (90396).

2870034 is an apocalyptic number.

870034 is a deficient number, since it is larger than the sum of its proper divisors (576302).

870034 is a wasteful number, since it uses less digits than its factorization.

870034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 870034 is about 932.7561310439. The cubic root of 870034 is about 95.4652706701.

The spelling of 870034 in words is "eight hundred seventy thousand, thirty-four".

Divisors: 1 2 11 22 71 142 557 781 1114 1562 6127 12254 39547 79094 435017 870034