Base | Representation |
---|---|
bin | 111001011110… |
… | …1101000111000 |
3 | 2002201010001001 |
4 | 1302331220320 |
5 | 30203340023 |
6 | 2553534344 |
7 | 514105435 |
oct | 162755070 |
9 | 62633031 |
10 | 30136888 |
11 | 16014321 |
12 | a1143b4 |
13 | 63223a2 |
14 | 4006b8c |
15 | 29a46ad |
hex | 1cbda38 |
30136888 has 32 divisors (see below), whose sum is σ = 59760000. Its totient is φ = 14208480.
The previous prime is 30136861. The next prime is 30136891. The reversal of 30136888 is 88863103.
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, 50013 + ... + 50611.
It is an arithmetic number, because the mean of its divisors is an integer number (1867500).
Almost surely, 230136888 is an apocalyptic number.
30136888 is a gapful number since it is divisible by the number (38) formed by its first and last digit.
It is an amenable number.
30136888 is a deficient number, since it is larger than the sum of its proper divisors (29623112).
30136888 is a wasteful number, since it uses less digits than its factorization.
30136888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 955 (or 951 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 37.
The square root of 30136888 is about 5489.7074603297. The cubic root of 30136888 is about 311.1951367523.
It can be divided in two parts, 3013688 and 8, that added together give a square (3013696 = 17362).
The spelling of 30136888 in words is "thirty million, one hundred thirty-six thousand, eight hundred eighty-eight".
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