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674578972 = 221731320009
BaseRepresentation
bin101000001101010…
…100001000011100
31202000100011101101
4220031110020130
52340143011342
6150534322444
722500553354
oct5015241034
91660304341
10674578972
11316867191
12169ab9424
13a99ab672
146583bb64
153e3503b7
hex2835421c

674578972 has 24 divisors (see below), whose sum is σ = 1290280320. Its totient is φ = 307207680.

The previous prime is 674578967. The next prime is 674578979. The reversal of 674578972 is 279875476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674578979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157897 + ... + 162112.

It is an arithmetic number, because the mean of its divisors is an integer number (53761680).

Almost surely, 2674578972 is an apocalyptic number.

674578972 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

674578972 is a deficient number, since it is larger than the sum of its proper divisors (615701348).

674578972 is a wasteful number, since it uses less digits than its factorization.

674578972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320061 (or 320059 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 55.

The square root of 674578972 is about 25972.6581619980. The cubic root of 674578972 is about 877.0228993317.

The spelling of 674578972 in words is "six hundred seventy-four million, five hundred seventy-eight thousand, nine hundred seventy-two".

Divisors: 1 2 4 17 31 34 62 68 124 527 1054 2108 320009 640018 1280036 5440153 9920279 10880306 19840558 21760612 39681116 168644743 337289486 674578972