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674674830 = 232528326489
BaseRepresentation
bin101000001101101…
…011100010001110
31202000112000212200
4220031223202032
52340204043310
6150540342330
722501433004
oct5015534216
91660460780
10674674830
11316922205
12169b449a6
13a9a1319b
1465864a74
153e36d9c0
hex2836b88e

674674830 has 48 divisors (see below), whose sum is σ = 1760419440. Its totient is φ = 179270784.

The previous prime is 674674829. The next prime is 674674837. The reversal of 674674830 is 38476476.

It is a super-2 number, since 2×6746748302 = 910372252471057800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674674837) 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, 12226 + ... + 38714.

It is an arithmetic number, because the mean of its divisors is an integer number (36675405).

Almost surely, 2674674830 is an apocalyptic number.

674674830 is an abundant number, since it is smaller than the sum of its proper divisors (1085744610).

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

674674830 is a wasteful number, since it uses less digits than its factorization.

674674830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26785 (or 26782 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The square root of 674674830 is about 25974.5034601241. The cubic root of 674674830 is about 877.0644391577.

The spelling of 674674830 in words is "six hundred seventy-four million, six hundred seventy-four thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 283 566 849 1415 1698 2547 2830 4245 5094 8490 12735 25470 26489 52978 79467 132445 158934 238401 264890 397335 476802 794670 1192005 2384010 7496387 14992774 22489161 37481935 44978322 67467483 74963870 112445805 134934966 224891610 337337415 674674830