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672956674 = 21325882949
BaseRepresentation
bin101000000111001…
…000000100000010
31201220021202000021
4220013020010002
52334234103144
6150435444054
722451015545
oct5007100402
91656252007
10672956674
11315959345
1216945662a
13a9561120
146553885c
153e12e884
hex281c8102

672956674 has 8 divisors (see below), whose sum is σ = 1087083900. Its totient is φ = 310595376.

The previous prime is 672956671. The next prime is 672956677. The reversal of 672956674 is 476659276.

It is an interprime number because it is at equal distance from previous prime (672956671) and next prime (672956677).

It can be written as a sum of positive squares in 2 ways, for example, as 625250025 + 47706649 = 25005^2 + 6907^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6729566742 = 905741370162284552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (672956671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12941449 + ... + 12941500.

Almost surely, 2672956674 is an apocalyptic number.

672956674 is a deficient number, since it is larger than the sum of its proper divisors (414127226).

672956674 is a wasteful number, since it uses less digits than its factorization.

672956674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25882964.

The product of its digits is 3810240, while the sum is 52.

The square root of 672956674 is about 25941.4084814221. The cubic root of 672956674 is about 876.3192828831.

The spelling of 672956674 in words is "six hundred seventy-two million, nine hundred fifty-six thousand, six hundred seventy-four".

Divisors: 1 2 13 26 25882949 51765898 336478337 672956674