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10139930 = 251013993
BaseRepresentation
bin100110101011…
…100100011010
3201002011100222
4212223210122
510043434210
61001200042
7152121323
oct46534432
921064328
1010139930
1157a6309
123490022
132140478
1414bd44a
15d54655
hex9ab91a

10139930 has 8 divisors (see below), whose sum is σ = 18251892. Its totient is φ = 4055968.

The previous prime is 10139929. The next prime is 10139953. The reversal of 10139930 is 3993101.

10139930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9916201 + 223729 = 3149^2 + 473^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 10139930.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506987 + ... + 507006.

Almost surely, 210139930 is an apocalyptic number.

10139930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10139930 is a deficient number, since it is larger than the sum of its proper divisors (8111962).

10139930 is a wasteful number, since it uses less digits than its factorization.

10139930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014000.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 10139930 is about 3184.3256742990. The cubic root of 10139930 is about 216.4437180690.

The spelling of 10139930 in words is "ten million, one hundred thirty-nine thousand, nine hundred thirty".

Divisors: 1 2 5 10 1013993 2027986 5069965 10139930