Base | Representation |
---|---|
bin | 111001011010… |
… | …0101000000010 |
3 | 2002122020101201 |
4 | 1302310220002 |
5 | 30201144340 |
6 | 2553051414 |
7 | 513563005 |
oct | 162645002 |
9 | 62566351 |
10 | 30099970 |
11 | 15a9960a |
12 | a0b6b6a |
13 | 630b644 |
14 | 3dd753c |
15 | 299879a |
hex | 1cb4a02 |
30099970 has 32 divisors (see below), whose sum is σ = 56401920. Its totient is φ = 11551680.
The previous prime is 30099967. The next prime is 30099983. The reversal of 30099970 is 7999003.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78399 + ... + 78781.
It is an arithmetic number, because the mean of its divisors is an integer number (1762560).
Almost surely, 230099970 is an apocalyptic number.
30099970 is a deficient number, since it is larger than the sum of its proper divisors (26301950).
30099970 is a wasteful number, since it uses less digits than its factorization.
30099970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 690.
The product of its (nonzero) digits is 15309, while the sum is 37.
The square root of 30099970 is about 5486.3439556776. The cubic root of 30099970 is about 311.0680124065.
The spelling of 30099970 in words is "thirty million, ninety-nine thousand, nine hundred seventy".
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