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38306946 = 236384491
BaseRepresentation
bin1001001000100…
…0010010000010
32200002012020210
42102020102002
534301310241
63445014550
7643414026
oct222102202
980065223
1038306946
111a694637
12109b4456
137c23042
145132386
15356a316
hex2488482

38306946 has 8 divisors (see below), whose sum is σ = 76613904. Its totient is φ = 12768980.

The previous prime is 38306909. The next prime is 38306953. The reversal of 38306946 is 64960383.

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

38306946 is an admirable number.

It is a super-2 number, since 2×383069462 = 2934844223693832, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3192240 + ... + 3192251.

It is an arithmetic number, because the mean of its divisors is an integer number (9576738).

Almost surely, 238306946 is an apocalyptic number.

38306946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38306946 is a wasteful number, since it uses less digits than its factorization.

38306946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6384496.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 38306946 is about 6189.2605374148. The cubic root of 38306946 is about 337.1003290873.

The spelling of 38306946 in words is "thirty-eight million, three hundred six thousand, nine hundred forty-six".

Divisors: 1 2 3 6 6384491 12768982 19153473 38306946