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38994417 = 3271156269
BaseRepresentation
bin1001010011000…
…0000111110001
32201101010021200
42110300013301
534440310132
63511441413
7652306230
oct224600761
981333250
1038994417
11200140a0
1211086269
138103c27
145270b17
153653d7c
hex25301f1

38994417 has 24 divisors (see below), whose sum is σ = 70224960. Its totient is φ = 20256480.

The previous prime is 38994367. The next prime is 38994419. The reversal of 38994417 is 71449983.

It is not a de Polignac number, because 38994417 - 214 = 38978033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38994419) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 27442 + ... + 28827.

It is an arithmetic number, because the mean of its divisors is an integer number (2926040).

Almost surely, 238994417 is an apocalyptic number.

It is an amenable number.

38994417 is a deficient number, since it is larger than the sum of its proper divisors (31230543).

38994417 is a wasteful number, since it uses less digits than its factorization.

38994417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56293 (or 56290 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 38994417 is about 6244.5509846585. The cubic root of 38994417 is about 339.1049613638.

The spelling of 38994417 in words is "thirty-eight million, nine hundred ninety-four thousand, four hundred seventeen".

Divisors: 1 3 7 9 11 21 33 63 77 99 231 693 56269 168807 393883 506421 618959 1181649 1856877 3544947 4332713 5570631 12998139 38994417