Base | Representation |
---|---|
bin | 1000101000001… |
… | …01101010010010 |
3 | 12001012000201222 |
4 | 10110011222102 |
5 | 122011444210 |
6 | 11103125042 |
7 | 1536114425 |
oct | 424055222 |
9 | 161160658 |
10 | 72374930 |
11 | 379433a1 |
12 | 202a3782 |
13 | 11cc0804 |
14 | 987d9bc |
15 | 6549655 |
hex | 4505a92 |
72374930 has 8 divisors (see below), whose sum is σ = 130274892. Its totient is φ = 28949968.
The previous prime is 72374927. The next prime is 72374947. The reversal of 72374930 is 3947327.
It can be written as a sum of positive squares in 2 ways, for example, as 70073641 + 2301289 = 8371^2 + 1517^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3618737 + ... + 3618756.
Almost surely, 272374930 is an apocalyptic number.
72374930 is a deficient number, since it is larger than the sum of its proper divisors (57899962).
72374930 is a wasteful number, since it uses less digits than its factorization.
72374930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7237500.
The product of its (nonzero) digits is 31752, while the sum is 35.
The square root of 72374930 is about 8507.3456494961. The cubic root of 72374930 is about 416.7376312907.
It can be divided in two parts, 7237 and 4930, that added together give a cube (12167 = 233).
The spelling of 72374930 in words is "seventy-two million, three hundred seventy-four thousand, nine hundred thirty".
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