Base | Representation |
---|---|
bin | 11110011010010100111000 |
3 | 120000000201220 |
4 | 132122110320 |
5 | 4020102102 |
6 | 442512040 |
7 | 124522266 |
oct | 36322470 |
9 | 16000656 |
10 | 7972152 |
11 | 4555661 |
12 | 2805620 |
13 | 1861866 |
14 | 10b7436 |
15 | a771bc |
hex | 79a538 |
7972152 has 32 divisors (see below), whose sum is σ = 20008080. Its totient is φ = 2647040.
The previous prime is 7972147. The next prime is 7972183. The reversal of 7972152 is 2512797.
It is a super-2 number, since 2×79721522 = 127110415022208, which contains 22 as substring.
It is an Ulam number.
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, 8002 + ... + 8942.
Almost surely, 27972152 is an apocalyptic number.
It is a pronic number, being equal to 2823×2824.
It is an amenable number.
7972152 is an abundant number, since it is smaller than the sum of its proper divisors (12035928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7972152 is a wasteful number, since it uses less digits than its factorization.
7972152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1303 (or 1299 counting only the distinct ones).
The product of its digits is 8820, while the sum is 33.
The square root of 7972152 is about 2823.4999557287. The cubic root of 7972152 is about 199.7676635367.
The spelling of 7972152 in words is "seven million, nine hundred seventy-two thousand, one hundred fifty-two".
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