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679214224 = 241312292657
BaseRepresentation
bin101000011110111…
…111110010010000
31202100001122202101
4220132333302100
52342334323344
6151221530144
722555140253
oct5036776220
91670048671
10679214224
11319442777
1216b573954
13aa942410
14662c709a
153e9689d4
hex287bfc90

679214224 has 40 divisors (see below), whose sum is σ = 1418893560. Its totient is φ = 313110528.

The previous prime is 679214203. The next prime is 679214281. The reversal of 679214224 is 422412976.

It can be written as a sum of positive squares in 4 ways, for example, as 222964624 + 456249600 = 14932^2 + 21360^2 .

It is a super-2 number, since 2×6792142242 = 922663924167844352, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254304 + ... + 256960.

It is an arithmetic number, because the mean of its divisors is an integer number (35472339).

Almost surely, 2679214224 is an apocalyptic number.

It is an amenable number.

679214224 is an abundant number, since it is smaller than the sum of its proper divisors (739679336).

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

679214224 is a wasteful number, since it uses less digits than its factorization.

679214224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3907 (or 3901 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 679214224 is about 26061.7386987131. The cubic root of 679214224 is about 879.0270859150.

The spelling of 679214224 in words is "six hundred seventy-nine million, two hundred fourteen thousand, two hundred twenty-four".

Divisors: 1 2 4 8 13 16 26 52 104 208 1229 2458 2657 4916 5314 9832 10628 15977 19664 21256 31954 34541 42512 63908 69082 127816 138164 255632 276328 552656 3265453 6530906 13061812 26123624 42450889 52247248 84901778 169803556 339607112 679214224