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10139970 = 235337999
BaseRepresentation
bin100110101011…
…100101000010
3201002011102110
4212223211002
510043434340
61001200150
7152121411
oct46534502
921064373
1010139970
1157a6345
123490056
1321404a9
1414bd478
15d54680
hex9ab942

10139970 has 16 divisors (see below), whose sum is σ = 24336000. Its totient is φ = 2703984.

The previous prime is 10139953. The next prime is 10139989. The reversal of 10139970 is 7993101.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 337999 = 10139970 / (1 + 0 + 1 + 3 + 9 + 9 + 7 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168970 + ... + 169029.

It is an arithmetic number, because the mean of its divisors is an integer number (1521000).

Almost surely, 210139970 is an apocalyptic number.

10139970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10139970 is an abundant number, since it is smaller than the sum of its proper divisors (14196030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10139970 is a wasteful number, since it uses less digits than its factorization.

10139970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338009.

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 10139970 is about 3184.3319550574. The cubic root of 10139970 is about 216.4440026778. Note that the first 3 decimals are identical.

The spelling of 10139970 in words is "ten million, one hundred thirty-nine thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 337999 675998 1013997 1689995 2027994 3379990 5069985 10139970