Base | Representation |
---|---|
bin | 10000111110110… |
… | …10010011110000 |
3 | 100221001022100020 |
4 | 20133122103300 |
5 | 242431430302 |
6 | 22045123440 |
7 | 3346551546 |
oct | 1037322360 |
9 | 327038306 |
10 | 142451952 |
11 | 73457295 |
12 | 3b859580 |
13 | 236883c6 |
14 | 14cc1d96 |
15 | c78cebc |
hex | 87da4f0 |
142451952 has 20 divisors (see below), whose sum is σ = 368001000. Its totient is φ = 47483968.
The previous prime is 142451951. The next prime is 142452007. The reversal of 142451952 is 259154241.
142451952 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 2×1424519522 = 40585117257220608, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142451951) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1483827 + ... + 1483922.
It is an arithmetic number, because the mean of its divisors is an integer number (18400050).
Almost surely, 2142451952 is an apocalyptic number.
142451952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
142451952 is an abundant number, since it is smaller than the sum of its proper divisors (225549048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142451952 is a wasteful number, since it uses less digits than its factorization.
142451952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2967760 (or 2967754 counting only the distinct ones).
The product of its digits is 14400, while the sum is 33.
The square root of 142451952 is about 11935.3237073822. The cubic root of 142451952 is about 522.2632514886.
The spelling of 142451952 in words is "one hundred forty-two million, four hundred fifty-one thousand, nine hundred fifty-two".
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