Search a number
-
+
677905074 = 232711489109
BaseRepresentation
bin101000011010000…
…000001010110010
31202020121010221100
4220122000022302
52342020430244
6151133505230
722541045430
oct5032001262
91666533840
10677905074
11318729130
1216b042216
13aa5a4582
1466065d50
153e7aab69
hex286802b2

677905074 has 48 divisors (see below), whose sum is σ = 1831227840. Its totient is φ = 176078880.

The previous prime is 677905069. The next prime is 677905093. The reversal of 677905074 is 470509776.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 243169 + ... + 245940.

It is an arithmetic number, because the mean of its divisors is an integer number (38150580).

Almost surely, 2677905074 is an apocalyptic number.

677905074 is an abundant number, since it is smaller than the sum of its proper divisors (1153322766).

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

677905074 is a wasteful number, since it uses less digits than its factorization.

677905074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489135 (or 489132 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The square root of 677905074 is about 26036.6102632428. The cubic root of 677905074 is about 878.4619630536.

The spelling of 677905074 in words is "six hundred seventy-seven million, nine hundred five thousand, seventy-four".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 33 42 63 66 77 99 126 154 198 231 462 693 1386 489109 978218 1467327 2934654 3423763 4401981 5380199 6847526 8803962 10271289 10760398 16140597 20542578 30813867 32281194 37661393 48421791 61627734 75322786 96843582 112984179 225968358 338952537 677905074