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38190994 = 2237091171
BaseRepresentation
bin1001000110101…
…1111110010010
32122212022012021
42101223332102
534234102434
63442322054
7642422002
oct221537622
978768167
1038190994
111a615506
121095932a
137bb232a
145102002
153545cb4
hex246bf92

38190994 has 16 divisors (see below), whose sum is σ = 59912640. Its totient is φ = 18223920.

The previous prime is 38190989. The next prime is 38191037. The reversal of 38190994 is 49909183.

It is a self number, because there is not a number n which added to its sum of digits gives 38190994.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32029 + ... + 33199.

It is an arithmetic number, because the mean of its divisors is an integer number (3744540).

Almost surely, 238190994 is an apocalyptic number.

38190994 is a deficient number, since it is larger than the sum of its proper divisors (21721646).

38190994 is a wasteful number, since it uses less digits than its factorization.

38190994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 38190994 is about 6179.8862449077. The cubic root of 38190994 is about 336.7598602683.

The spelling of 38190994 in words is "thirty-eight million, one hundred ninety thousand, nine hundred ninety-four".

Divisors: 1 2 23 46 709 1171 1418 2342 16307 26933 32614 53866 830239 1660478 19095497 38190994