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679041384 = 23375968507
BaseRepresentation
bin101000011110010…
…101100101101000
31202022201212122220
4220132111211220
52342313311014
6151214114040
722553520330
oct5036254550
91668655586
10679041384
1131933492a
1216b4ab920
13aa8b1848
14662800c0
153e9326a9
hex28795968

679041384 has 64 divisors (see below), whose sum is σ = 1973030400. Its totient is φ = 190720704.

The previous prime is 679041371. The next prime is 679041439. The reversal of 679041384 is 483140976.

It is a super-3 number, since 3×6790413843 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24342 + ... + 44165.

It is an arithmetic number, because the mean of its divisors is an integer number (30828600).

Almost surely, 2679041384 is an apocalyptic number.

It is an amenable number.

679041384 is an abundant number, since it is smaller than the sum of its proper divisors (1293989016).

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

679041384 is a wasteful number, since it uses less digits than its factorization.

679041384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68582 (or 68578 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 679041384 is about 26058.4225155707. The cubic root of 679041384 is about 878.9525174282.

The spelling of 679041384 in words is "six hundred seventy-nine million, forty-one thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 59 84 118 168 177 236 354 413 472 708 826 1239 1416 1652 2478 3304 4956 9912 68507 137014 205521 274028 411042 479549 548056 822084 959098 1438647 1644168 1918196 2877294 3836392 4041913 5754588 8083826 11509176 12125739 16167652 24251478 28293391 32335304 48502956 56586782 84880173 97005912 113173564 169760346 226347128 339520692 679041384