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38156146 = 272725439
BaseRepresentation
bin1001000110001…
…1011101110010
32122210112101121
42101203131302
534231444041
63441452454
7642215260
oct221433562
978715347
1038156146
111a5a1306
121094112a
137b9c502
1450d3430
15353a7d1
hex2463772

38156146 has 8 divisors (see below), whose sum is σ = 65410560. Its totient is φ = 16352628.

The previous prime is 38156137. The next prime is 38156159. The reversal of 38156146 is 64165183.

It is a happy number.

38156146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×381561463 (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1362706 + ... + 1362733.

It is an arithmetic number, because the mean of its divisors is an integer number (8176320).

Almost surely, 238156146 is an apocalyptic number.

38156146 is a deficient number, since it is larger than the sum of its proper divisors (27254414).

38156146 is a wasteful number, since it uses less digits than its factorization.

38156146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725448.

The product of its digits is 17280, while the sum is 34.

The square root of 38156146 is about 6177.0661320727. The cubic root of 38156146 is about 336.6574017427.

The spelling of 38156146 in words is "thirty-eight million, one hundred fifty-six thousand, one hundred forty-six".

Divisors: 1 2 7 14 2725439 5450878 19078073 38156146