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1395680268 = 223173672293
BaseRepresentation
bin101001100110000…
…0110010000001100
310121021012220101210
41103030012100030
510324243232033
6350254134420
746405041453
oct12314062014
93537186353
101395680268
11656909274
1232b4b1410
131931c8518
14d3509b9a
15827ded63
hex5330640c

1395680268 has 24 divisors (see below), whose sum is σ = 3275416368. Its totient is φ = 462536896.

The previous prime is 1395680261. The next prime is 1395680291. The reversal of 1395680268 is 8620865931.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1395680261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334071 + ... + 338222.

It is an arithmetic number, because the mean of its divisors is an integer number (136475682).

Almost surely, 21395680268 is an apocalyptic number.

It is an amenable number.

1395680268 is an abundant number, since it is smaller than the sum of its proper divisors (1879736100).

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

1395680268 is a wasteful number, since it uses less digits than its factorization.

1395680268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672473 (or 672471 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 1395680268 is about 37358.8044241247. The cubic root of 1395680268 is about 1117.5371765680.

The spelling of 1395680268 in words is "one billion, three hundred ninety-five million, six hundred eighty thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 173 346 519 692 1038 2076 672293 1344586 2016879 2689172 4033758 8067516 116306689 232613378 348920067 465226756 697840134 1395680268