Base | Representation |
---|---|
bin | 111010101010… |
… | …0010100110100 |
3 | 2010212110200202 |
4 | 1311110110310 |
5 | 30333112400 |
6 | 3015100032 |
7 | 522256046 |
oct | 165242464 |
9 | 63773622 |
10 | 30754100 |
11 | 163a6013 |
12 | a371618 |
13 | 64aa2c0 |
14 | 4127a96 |
15 | 2a774d5 |
hex | 1d54534 |
30754100 has 72 divisors (see below), whose sum is σ = 73750488. Its totient is φ = 11059200.
The previous prime is 30754099. The next prime is 30754111. The reversal of 30754100 is 145703.
It is a happy number.
It can be written as a sum of positive squares in 12 ways, for example, as 11587216 + 19166884 = 3404^2 + 4378^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53012 + ... + 53588.
Almost surely, 230754100 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30754100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36875244).
30754100 is an abundant number, since it is smaller than the sum of its proper divisors (42996388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30754100 is a wasteful number, since it uses less digits than its factorization.
30754100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 645 (or 638 counting only the distinct ones).
The product of its (nonzero) digits is 420, while the sum is 20.
The square root of 30754100 is about 5545.6379254329. The cubic root of 30754100 is about 313.3052512431.
Adding to 30754100 its reverse (145703), we get a palindrome (30899803).
The spelling of 30754100 in words is "thirty million, seven hundred fifty-four thousand, one hundred".
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