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1679044212 = 2232192129197
BaseRepresentation
bin110010000010100…
…0010111001110100
311100000102021122200
41210011002321310
511414313403322
6434335424500
756415432426
oct14405027164
94300367580
101679044212
1179185a84a
123aa385130
13209b200b1
1411cdcc816
159c6148ac
hex64142e74

1679044212 has 54 divisors (see below), whose sum is σ = 4479423858. Its totient is φ = 530220384.

The previous prime is 1679044141. The next prime is 1679044217. The reversal of 1679044212 is 2124409761.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1582925796 + 96118416 = 39786^2 + 9804^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1679044217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 51603 + ... + 77594.

Almost surely, 21679044212 is an apocalyptic number.

1679044212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1679044212 is an abundant number, since it is smaller than the sum of its proper divisors (2800379646).

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

1679044212 is a wasteful number, since it uses less digits than its factorization.

1679044212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129245 (or 129221 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1679044212 is about 40976.1419853065. The cubic root of 1679044212 is about 1188.5589061483.

The spelling of 1679044212 in words is "one billion, six hundred seventy-nine million, forty-four thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 361 684 722 1083 1444 2166 3249 4332 6498 12996 129197 258394 387591 516788 775182 1162773 1550364 2325546 2454743 4651092 4909486 7364229 9818972 14728458 22092687 29456916 44185374 46640117 88370748 93280234 139920351 186560468 279840702 419761053 559681404 839522106 1679044212