Base | Representation |
---|---|
bin | 111010000001… |
… | …1101011010001 |
3 | 2010020200112222 |
4 | 1310003223101 |
5 | 30242030021 |
6 | 3004030425 |
7 | 516412004 |
oct | 164035321 |
9 | 63220488 |
10 | 30423761 |
11 | 1619a905 |
12 | a232415 |
13 | 63c2b34 |
14 | 407d53b |
15 | 2a0e6ab |
hex | 1d03ad1 |
30423761 has 8 divisors (see below), whose sum is σ = 32269824. Its totient is φ = 28584000.
The previous prime is 30423737. The next prime is 30423773. The reversal of 30423761 is 16732403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30423761 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30423761.
It is not an unprimeable number, because it can be changed into a prime (30423721) 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, 11576 + ... + 13958.
It is an arithmetic number, because the mean of its divisors is an integer number (4033728).
Almost surely, 230423761 is an apocalyptic number.
It is an amenable number.
30423761 is a deficient number, since it is larger than the sum of its proper divisors (1846063).
30423761 is a wasteful number, since it uses less digits than its factorization.
30423761 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3151.
The product of its (nonzero) digits is 3024, while the sum is 26.
The square root of 30423761 is about 5515.7738351024. The cubic root of 30423761 is about 312.1794421690.
The spelling of 30423761 in words is "thirty million, four hundred twenty-three thousand, seven hundred sixty-one".
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