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10825989 = 310933107
BaseRepresentation
bin101001010011…
…000100000101
3202101000110120
4221103010011
510232412424
61024012153
7161006436
oct51230405
922330416
1010825989
1161247a9
123761059
132320815
14161b48d
15e3ca79
hexa53105

10825989 has 8 divisors (see below), whose sum is σ = 14567520. Its totient is φ = 7150896.

The previous prime is 10825987. The next prime is 10825999. The reversal of 10825989 is 98952801.

It is a happy number.

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

It is not a de Polignac number, because 10825989 - 21 = 10825987 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10825989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10825987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16227 + ... + 16880.

It is an arithmetic number, because the mean of its divisors is an integer number (1820940).

Almost surely, 210825989 is an apocalyptic number.

It is an amenable number.

10825989 is a deficient number, since it is larger than the sum of its proper divisors (3741531).

10825989 is a wasteful number, since it uses less digits than its factorization.

10825989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33219.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 10825989 is about 3290.2870695427. The cubic root of 10825989 is about 221.2190521366.

The spelling of 10825989 in words is "ten million, eight hundred twenty-five thousand, nine hundred eighty-nine".

Divisors: 1 3 109 327 33107 99321 3608663 10825989