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38256090 = 2351275203
BaseRepresentation
bin1001000111101…
…1110111011010
32122222121111020
42101323313122
534243143330
63443543310
7643112535
oct221736732
978877436
1038256090
111a65a404
121098ab36
137c05b52
14511ba1c
15355a210
hex247bdda

38256090 has 16 divisors (see below), whose sum is σ = 91814688. Its totient is φ = 10201616.

The previous prime is 38256079. The next prime is 38256091. The reversal of 38256090 is 9065283.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38256091) 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, 637572 + ... + 637631.

It is an arithmetic number, because the mean of its divisors is an integer number (5738418).

Almost surely, 238256090 is an apocalyptic number.

38256090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38256090 is an abundant number, since it is smaller than the sum of its proper divisors (53558598).

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

38256090 is a wasteful number, since it uses less digits than its factorization.

38256090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275213.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 38256090 is about 6185.1507661495. The cubic root of 38256090 is about 336.9510857752.

The spelling of 38256090 in words is "thirty-eight million, two hundred fifty-six thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 1275203 2550406 3825609 6376015 7651218 12752030 19128045 38256090