Base | Representation |
---|---|
bin | 10000111011111… |
… | …01010010111100 |
3 | 100220022221201212 |
4 | 20131331102330 |
5 | 242332232342 |
6 | 22033023552 |
7 | 3343404041 |
oct | 1035752274 |
9 | 326287655 |
10 | 142070972 |
11 | 7321702a |
12 | 3b6b4bb8 |
13 | 23583b84 |
14 | 14c231c8 |
15 | c715182 |
hex | 877d4bc |
142070972 has 24 divisors (see below), whose sum is σ = 270368784. Its totient is φ = 65048832.
The previous prime is 142070959. The next prime is 142070983. The reversal of 142070972 is 279070241.
It is a super-2 number, since 2×1420709722 = 40368322170049568, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25718 + ... + 30749.
It is an arithmetic number, because the mean of its divisors is an integer number (11265366).
Almost surely, 2142070972 is an apocalyptic number.
It is an amenable number.
142070972 is a deficient number, since it is larger than the sum of its proper divisors (128297812).
142070972 is a wasteful number, since it uses less digits than its factorization.
142070972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56525 (or 56523 counting only the distinct ones).
The product of its (nonzero) digits is 7056, while the sum is 32.
The square root of 142070972 is about 11919.3528347809. The cubic root of 142070972 is about 521.7972475844.
The spelling of 142070972 in words is "one hundred forty-two million, seventy thousand, nine hundred seventy-two".
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