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672630 = 23573203
BaseRepresentation
bin10100100001101110110
31021011200020
42210031312
5133011010
622230010
75501010
oct2441566
91234606
10672630
1141a3a2
12285306
131a720a
141371b0
15d4470
hexa4376

672630 has 32 divisors (see below), whose sum is σ = 1845504. Its totient is φ = 153696.

The previous prime is 672629. The next prime is 672641. The reversal of 672630 is 36276.

672630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×6726302 = 904862233800, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 672630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1392 + ... + 1811.

It is an arithmetic number, because the mean of its divisors is an integer number (57672).

2672630 is an apocalyptic number.

672630 is an abundant number, since it is smaller than the sum of its proper divisors (1172874).

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

672630 is a wasteful number, since it uses less digits than its factorization.

672630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3220.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 672630 is about 820.1402319116. The cubic root of 672630 is about 87.6177462431.

The spelling of 672630 in words is "six hundred seventy-two thousand, six hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 3203 6406 9609 16015 19218 22421 32030 44842 48045 67263 96090 112105 134526 224210 336315 672630