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677381268 = 223220725577
BaseRepresentation
bin101000011000000…
…000010010010100
31202012121112102010
4220120000102110
52341402200033
6151114344220
722533434334
oct5030002224
91665545363
10677381268
11318400633
1216aa2b070
13aa450025
1465d6b0c4
153e705863
hex28600494

677381268 has 24 divisors (see below), whose sum is σ = 1581334272. Its totient is φ = 225682624.

The previous prime is 677381233. The next prime is 677381273. The reversal of 677381268 is 862183776.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13696 + ... + 39272.

It is an arithmetic number, because the mean of its divisors is an integer number (65888928).

Almost surely, 2677381268 is an apocalyptic number.

It is an amenable number.

677381268 is an abundant number, since it is smaller than the sum of its proper divisors (903953004).

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

677381268 is a wasteful number, since it uses less digits than its factorization.

677381268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27791 (or 27789 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 677381268 is about 26026.5492910605. The cubic root of 677381268 is about 878.2356470935.

It can be divided in two parts, 67738 and 1268, that added together give a triangular number (69006 = T371).

The spelling of 677381268 in words is "six hundred seventy-seven million, three hundred eighty-one thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 2207 4414 6621 8828 13242 25577 26484 51154 76731 102308 153462 306924 56448439 112896878 169345317 225793756 338690634 677381268