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672026927 = 111335313313
BaseRepresentation
bin101000000011100…
…101000100101111
31201211112111122012
4220003211010233
52334014330202
6150403511435
722440064115
oct5003450457
91654474565
10672026927
11315383860
1216908857b
13a92c6b90
1465375ab5
153dee9152
hex280e512f

672026927 has 16 divisors (see below), whose sum is σ = 791810208. Its totient is φ = 562298880.

The previous prime is 672026923. The next prime is 672026981. The reversal of 672026927 is 729620276.

It is a happy number.

It is not a de Polignac number, because 672026927 - 22 = 672026923 is a prime.

It is a super-2 number, since 2×6720269272 = 903240381226126658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672026921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43823 + ... + 57135.

It is an arithmetic number, because the mean of its divisors is an integer number (49488138).

Almost surely, 2672026927 is an apocalyptic number.

672026927 is a deficient number, since it is larger than the sum of its proper divisors (119783281).

672026927 is a wasteful number, since it uses less digits than its factorization.

672026927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13690.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 672026927 is about 25923.4821542169. The cubic root of 672026927 is about 875.9155269594.

The spelling of 672026927 in words is "six hundred seventy-two million, twenty-six thousand, nine hundred twenty-seven".

Divisors: 1 11 13 143 353 3883 4589 13313 50479 146443 173069 1903759 4699489 51694379 61093357 672026927