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10501389 = 329831187
BaseRepresentation
bin101000000011…
…110100001101
3201202112012100
4220003310031
510142021024
61013025313
7155155203
oct50036415
921675170
1010501389
115a22938
123625239
132238b52
141575073
15dc67c9
hexa03d0d

10501389 has 12 divisors (see below), whose sum is σ = 15196896. Its totient is φ = 6987912.

The previous prime is 10501373. The next prime is 10501399. The reversal of 10501389 is 98310501.

10501389 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10501389 - 24 = 10501373 is a prime.

It is a super-2 number, since 2×105013892 = 220558341858642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10501339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8254 + ... + 9440.

It is an arithmetic number, because the mean of its divisors is an integer number (1266408).

Almost surely, 210501389 is an apocalyptic number.

It is an amenable number.

10501389 is a deficient number, since it is larger than the sum of its proper divisors (4695507).

10501389 is a wasteful number, since it uses less digits than its factorization.

10501389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176 (or 2173 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 10501389 is about 3240.5846694694. The cubic root of 10501389 is about 218.9856123656.

The spelling of 10501389 in words is "ten million, five hundred one thousand, three hundred eighty-nine".

Divisors: 1 3 9 983 1187 2949 3561 8847 10683 1166821 3500463 10501389