Base | Representation |
---|---|
bin | 111010101000… |
… | …0111010111010 |
3 | 2010211202120020 |
4 | 1311100322322 |
5 | 30332141104 |
6 | 3014511310 |
7 | 522200304 |
oct | 165207272 |
9 | 63752506 |
10 | 30740154 |
11 | 16396595 |
12 | a365536 |
13 | 64a3b53 |
14 | 4122974 |
15 | 2a732d9 |
hex | 1d50eba |
30740154 has 16 divisors (see below), whose sum is σ = 62323392. Its totient is φ = 10106208.
The previous prime is 30740147. The next prime is 30740179. The reversal of 30740154 is 45104703.
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, 34654 + ... + 35529.
It is an arithmetic number, because the mean of its divisors is an integer number (3895212).
Almost surely, 230740154 is an apocalyptic number.
30740154 is an abundant number, since it is smaller than the sum of its proper divisors (31583238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30740154 is a wasteful number, since it uses less digits than its factorization.
30740154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70261.
The product of its (nonzero) digits is 1680, while the sum is 24.
The square root of 30740154 is about 5544.3803982050. The cubic root of 30740154 is about 313.2578861151.
Adding to 30740154 its reverse (45104703), we get a palindrome (75844857).
The spelling of 30740154 in words is "thirty million, seven hundred forty thousand, one hundred fifty-four".
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