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38797390 = 253879739
BaseRepresentation
bin1001010000000…
…0000001001110
32201000010000101
42110000001032
534413004030
63503321314
7650525632
oct224000116
981003011
1038797390
111a99a065
1210bb023a
138065348
14521cdc2
1536157ca
hex250004e

38797390 has 8 divisors (see below), whose sum is σ = 69835320. Its totient is φ = 15518952.

The previous prime is 38797387. The next prime is 38797391. The reversal of 38797390 is 9379783.

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

It is a self number, because there is not a number n which added to its sum of digits gives 38797390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38797391) by changing a digit.

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, 1939860 + ... + 1939879.

It is an arithmetic number, because the mean of its divisors is an integer number (8729415).

Almost surely, 238797390 is an apocalyptic number.

38797390 is a deficient number, since it is larger than the sum of its proper divisors (31037930).

38797390 is a wasteful number, since it uses less digits than its factorization.

38797390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3879746.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 38797390 is about 6228.7550923118. The cubic root of 38797390 is about 338.5328651198.

The spelling of 38797390 in words is "thirty-eight million, seven hundred ninety-seven thousand, three hundred ninety".

Divisors: 1 2 5 10 3879739 7759478 19398695 38797390