Base | Representation |
---|---|
bin | 100100100000… |
… | …1100100101000 |
3 | 1100000120012020 |
4 | 1021001210220 |
5 | 14400033302 |
6 | 1522144440 |
7 | 321466233 |
oct | 111014450 |
9 | 40016166 |
10 | 19142952 |
11 | a895424 |
12 | 64b2120 |
13 | 3c732ba |
14 | 278441a |
15 | 1a31ebc |
hex | 1241928 |
19142952 has 32 divisors (see below), whose sum is σ = 50673600. Its totient is φ = 6005504.
The previous prime is 19142947. The next prime is 19142953. The reversal of 19142952 is 25924191.
It is a super-2 number, since 2×191429522 = 732905222548608, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (19142953) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23052 + ... + 23867.
It is an arithmetic number, because the mean of its divisors is an integer number (1583550).
Almost surely, 219142952 is an apocalyptic number.
19142952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
19142952 is an abundant number, since it is smaller than the sum of its proper divisors (31530648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19142952 is a wasteful number, since it uses less digits than its factorization.
19142952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46945 (or 46941 counting only the distinct ones).
The product of its digits is 6480, while the sum is 33.
The square root of 19142952 is about 4375.2659347747. The cubic root of 19142952 is about 267.5077099126.
The spelling of 19142952 in words is "nineteen million, one hundred forty-two thousand, nine hundred fifty-two".
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