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38139226 = 288721499
BaseRepresentation
bin1001000101111…
…1010101011010
32122202200011221
42101133111122
534230423401
63441242254
7642115036
oct221372532
978680157
1038139226
111a58a624
121093338a
137b948b8
1450cb1c6
1535357a1
hex245f55a

38139226 has 8 divisors (see below), whose sum is σ = 57276000. Its totient is φ = 19047228.

The previous prime is 38139223. The next prime is 38139239. The reversal of 38139226 is 62293183.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 38139191 and 38139200.

It is not an unprimeable number, because it can be changed into a prime (38139223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8976 + ... + 12523.

It is an arithmetic number, because the mean of its divisors is an integer number (7159500).

Almost surely, 238139226 is an apocalyptic number.

38139226 is a deficient number, since it is larger than the sum of its proper divisors (19136774).

38139226 is a wasteful number, since it uses less digits than its factorization.

38139226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22388.

The product of its digits is 15552, while the sum is 34.

The square root of 38139226 is about 6175.6963979781. The cubic root of 38139226 is about 336.6076318189.

The spelling of 38139226 in words is "thirty-eight million, one hundred thirty-nine thousand, two hundred twenty-six".

Divisors: 1 2 887 1774 21499 42998 19069613 38139226