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674390275 = 521321931271
BaseRepresentation
bin101000001100100…
…110000100000011
31201222222120112121
4220030212010003
52340120442100
6150530305111
722466136256
oct5014460403
91658876477
10674390275
11316748439
12169a28197
13a9943800
14657cd09d
153e31451a
hex28326103

674390275 has 72 divisors (see below), whose sum is σ = 987555840. Its totient is φ = 454896000.

The previous prime is 674390257. The next prime is 674390281. The reversal of 674390275 is 572093476.

It is not a de Polignac number, because 674390275 - 25 = 674390243 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2488390 + ... + 2488660.

Almost surely, 2674390275 is an apocalyptic number.

674390275 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

674390275 is a deficient number, since it is larger than the sum of its proper divisors (313165565).

674390275 is a wasteful number, since it uses less digits than its factorization.

674390275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 674390275 is about 25969.0252993831. The cubic root of 674390275 is about 876.9411164568.

The spelling of 674390275 in words is "six hundred seventy-four million, three hundred ninety thousand, two hundred seventy-five".

Divisors: 1 5 13 19 25 31 65 95 155 169 247 271 325 403 475 589 775 845 1235 1355 2015 2945 3211 3523 4225 5149 5239 6175 6775 7657 8401 10075 14725 16055 17615 25745 26195 38285 42005 45799 66937 80275 88075 99541 109213 128725 130975 159619 191425 210025 228995 334685 497705 546065 798095 870181 1144975 1419769 1673425 2075047 2488525 2730325 3990475 4350905 7098845 10375235 21754525 26975611 35494225 51876175 134878055 674390275