Base | Representation |
---|---|
bin | 111010101011… |
… | …0011000101110 |
3 | 2010212220021102 |
4 | 1311112120232 |
5 | 30333400132 |
6 | 3015203102 |
7 | 522322466 |
oct | 165263056 |
9 | 63786242 |
10 | 30762542 |
11 | 16401398 |
12 | a376492 |
13 | 64b10b5 |
14 | 412aba6 |
15 | 2a79c62 |
hex | 1d5662e |
30762542 has 4 divisors (see below), whose sum is σ = 46143816. Its totient is φ = 15381270.
The previous prime is 30762517. The next prime is 30762547. The reversal of 30762542 is 24526703.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30762547) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7690634 + ... + 7690637.
It is an arithmetic number, because the mean of its divisors is an integer number (11535954).
Almost surely, 230762542 is an apocalyptic number.
30762542 is a deficient number, since it is larger than the sum of its proper divisors (15381274).
30762542 is a wasteful number, since it uses less digits than its factorization.
30762542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15381273.
The product of its (nonzero) digits is 10080, while the sum is 29.
The square root of 30762542 is about 5546.3990119716. The cubic root of 30762542 is about 313.3339160494. Note that the first 3 decimals are identical.
The spelling of 30762542 in words is "thirty million, seven hundred sixty-two thousand, five hundred forty-two".
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