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677048320 = 2125132543
BaseRepresentation
bin101000010110101…
…111000000000000
31202011222121200201
4220112233000000
52341311021240
6151103254544
722530546544
oct5026570000
91664877621
10677048320
113181a3473
1216a8aa454
13aa364610
1465cc1a24
153e68bd9a
hex285af000

677048320 has 104 divisors (see below), whose sum is σ = 1750383936. Its totient is φ = 249888768.

The previous prime is 677048269. The next prime is 677048329. The reversal of 677048320 is 23840776.

It is a tau number, because it is divible by the number of its divisors (104).

It is a super-2 number, since 2×6770483202 = 916788855229644800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 677048320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677048329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264969 + ... + 267511.

Almost surely, 2677048320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 677048320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (875191968).

677048320 is an abundant number, since it is smaller than the sum of its proper divisors (1073335616).

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

677048320 is a wasteful number, since it uses less digits than its factorization.

677048320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585 (or 2563 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 677048320 is about 26020.1521901775. The cubic root of 677048320 is about 878.0917327096.

The spelling of 677048320 in words is "six hundred seventy-seven million, forty-eight thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 128 130 160 208 256 260 320 416 512 520 640 832 1024 1040 1280 1664 2048 2080 2543 2560 3328 4096 4160 5086 5120 6656 8320 10172 10240 12715 13312 16640 20344 20480 25430 26624 33059 33280 40688 50860 53248 66118 66560 81376 101720 132236 133120 162752 165295 203440 264472 266240 325504 330590 406880 528944 651008 661180 813760 1057888 1302016 1322360 1627520 2115776 2604032 2644720 3255040 4231552 5208064 5289440 6510080 8463104 10416128 10578880 13020160 16926208 21157760 26040320 33852416 42315520 52080640 67704832 84631040 135409664 169262080 338524160 677048320