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1272968 = 23413881
BaseRepresentation
bin100110110110010001000
32101200011222
410312302020
5311213333
643141212
713551164
oct4666210
92350158
101272968
1179a444
12514808
13357548
14251ca4
151a2298
hex136c88

1272968 has 16 divisors (see below), whose sum is σ = 2445660. Its totient is φ = 620800.

The previous prime is 1272961. The next prime is 1272983. The reversal of 1272968 is 8692721.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1214404 + 58564 = 1102^2 + 242^2 .

It is a super-3 number, since 3×12729683 = 6188333550379869696, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1272961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1613 + ... + 2268.

21272968 is an apocalyptic number.

It is an amenable number.

1272968 is a deficient number, since it is larger than the sum of its proper divisors (1172692).

1272968 is a wasteful number, since it uses less digits than its factorization.

1272968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3928 (or 3924 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 1272968 is about 1128.2588355515. The cubic root of 1272968 is about 108.3775083486.

The spelling of 1272968 in words is "one million, two hundred seventy-two thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 41 82 164 328 3881 7762 15524 31048 159121 318242 636484 1272968