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10869397 = 711141161
BaseRepresentation
bin101001011101…
…101010010101
3202110020000021
4221131222111
510240310042
61024545141
7161250130
oct51355225
922406007
1010869397
116154380
1237821b1
1323374c6
14162d217
15e4a867
hexa5da95

10869397 has 8 divisors (see below), whose sum is σ = 13551552. Its totient is φ = 8469600.

The previous prime is 10869367. The next prime is 10869413. The reversal of 10869397 is 79396801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10869397 - 27 = 10869269 is a prime.

It is a super-2 number, since 2×108693972 = 236287582287218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10869337) 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 7 ways as a sum of consecutive naturals, for example, 70504 + ... + 70657.

It is an arithmetic number, because the mean of its divisors is an integer number (1693944).

Almost surely, 210869397 is an apocalyptic number.

It is an amenable number.

10869397 is a deficient number, since it is larger than the sum of its proper divisors (2682155).

10869397 is a wasteful number, since it uses less digits than its factorization.

10869397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141179.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 10869397 is about 3296.8768554497. The cubic root of 10869397 is about 221.5143252612.

The spelling of 10869397 in words is "ten million, eight hundred sixty-nine thousand, three hundred ninety-seven".

Divisors: 1 7 11 77 141161 988127 1552771 10869397