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38042946 = 234234833
BaseRepresentation
bin1001000100011…
…1110101000010
32122120210010000
42101013311002
534214333241
63435220430
7641234244
oct221076502
978523100
1038042946
111a524257
12108a7716
137b5cb26
1450a4094
153516eb6
hex2447d42

38042946 has 20 divisors (see below), whose sum is σ = 85244742. Its totient is φ = 12680928.

The previous prime is 38042929. The next prime is 38042951. The reversal of 38042946 is 64924083.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 38007225 + 35721 = 6165^2 + 189^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38042946.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 117255 + ... + 117578.

Almost surely, 238042946 is an apocalyptic number.

38042946 is an abundant number, since it is smaller than the sum of its proper divisors (47201796).

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

38042946 is a wasteful number, since it uses less digits than its factorization.

38042946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234847 (or 234838 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 38042946 is about 6167.8963999082. The cubic root of 38042946 is about 336.3241450991.

The spelling of 38042946 in words is "thirty-eight million, forty-two thousand, nine hundred forty-six".

Divisors: 1 2 3 6 9 18 27 54 81 162 234833 469666 704499 1408998 2113497 4226994 6340491 12680982 19021473 38042946