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10397768 = 231299721
BaseRepresentation
bin100111101010…
…100001001000
3201120021001112
4213222201020
510130212033
61010505452
7154244123
oct47524110
921507045
1010397768
115961aa7
123595288
132200934
1415493ba
15da5c48
hex9ea848

10397768 has 8 divisors (see below), whose sum is σ = 19495830. Its totient is φ = 5198880.

The previous prime is 10397767. The next prime is 10397773. The reversal of 10397768 is 86779301.

It can be written as a sum of positive squares in only one way, i.e., 5299204 + 5098564 = 2302^2 + 2258^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×103977682 = 216227158763648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10397767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649853 + ... + 649868.

Almost surely, 210397768 is an apocalyptic number.

It is an amenable number.

10397768 is a deficient number, since it is larger than the sum of its proper divisors (9098062).

10397768 is a wasteful number, since it uses less digits than its factorization.

10397768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299727 (or 1299723 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 10397768 is about 3224.5570238406. The cubic root of 10397768 is about 218.2629601814.

The spelling of 10397768 in words is "ten million, three hundred ninety-seven thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 1299721 2599442 5198884 10397768