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677980023 = 3728095701
BaseRepresentation
bin101000011010010…
…010011101110111
31202020201221202020
4220122102131313
52342030330043
6151135244223
722541510100
oct5032223567
91666657666
10677980023
1131877a476
1216b079673
13aa5cc716
14660853a7
153e7c2e83
hex28692777

677980023 has 24 divisors (see below), whose sum is σ = 1053045360. Its totient is φ = 386870400.

The previous prime is 677979989. The next prime is 677980027. The reversal of 677980023 is 320089776.

It is not a de Polignac number, because 677980023 - 210 = 677978999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677980027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116073 + ... + 121773.

It is an arithmetic number, because the mean of its divisors is an integer number (43876890).

Almost surely, 2677980023 is an apocalyptic number.

677980023 is a deficient number, since it is larger than the sum of its proper divisors (375065337).

677980023 is a wasteful number, since it uses less digits than its factorization.

677980023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6527 (or 6520 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 677980023 is about 26038.0495237259. The cubic root of 677980023 is about 878.4943360322.

It can be divided in two parts, 677 and 980023, that added together give a triangular number (980700 = T1400).

The spelling of 677980023 in words is "six hundred seventy-seven million, nine hundred eighty thousand, twenty-three".

Divisors: 1 3 7 21 49 147 809 2427 5663 5701 16989 17103 39641 39907 118923 119721 279349 838047 4612109 13836327 32284763 96854289 225993341 677980023