Base | Representation |
---|---|
bin | 1001010101010… |
… | …1111010000110 |
3 | 2201122222121000 |
4 | 2111111322012 |
5 | 40010233230 |
6 | 3515034130 |
7 | 653522403 |
oct | 225257206 |
9 | 81588530 |
10 | 39149190 |
11 | 2010a403 |
12 | 1113b946 |
13 | 8159502 |
14 | 52b12aa |
15 | 3684b60 |
hex | 2555e86 |
39149190 has 64 divisors (see below), whose sum is σ = 106153920. Its totient is φ = 10264320.
The previous prime is 39149179. The next prime is 39149207. The reversal of 39149190 is 9194193.
39149190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×391491902 = 3065318155312200, which contains 22 as substring.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
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 31 ways as a sum of consecutive naturals, for example, 15282 + ... + 17658.
It is an arithmetic number, because the mean of its divisors is an integer number (1658655).
Almost surely, 239149190 is an apocalyptic number.
39149190 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 39149190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53076960).
39149190 is an abundant number, since it is smaller than the sum of its proper divisors (67004730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39149190 is a wasteful number, since it uses less digits than its factorization.
39149190 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2454 (or 2448 counting only the distinct ones).
The product of its (nonzero) digits is 8748, while the sum is 36.
The square root of 39149190 is about 6256.9313565038. The cubic root of 39149190 is about 339.5530170116.
The spelling of 39149190 in words is "thirty-nine million, one hundred forty-nine thousand, one hundred ninety".
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