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30542594 = 215271297
BaseRepresentation
bin111010010000…
…0101100000010
32010110201120012
41310200230002
530304330334
63010344522
7520415315
oct164405402
963421505
1030542594
1116271115
12a28b142
136434c54
1440b097c
152a349ce
hex1d20b02

30542594 has 4 divisors (see below), whose sum is σ = 45813894. Its totient is φ = 15271296.

The previous prime is 30542579. The next prime is 30542641. The reversal of 30542594 is 49524503.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27175369 + 3367225 = 5213^2 + 1835^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30542594.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7635647 + ... + 7635650.

Almost surely, 230542594 is an apocalyptic number.

30542594 is a deficient number, since it is larger than the sum of its proper divisors (15271300).

30542594 is a wasteful number, since it uses less digits than its factorization.

30542594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15271299.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 30542594 is about 5526.5354427525. The cubic root of 30542594 is about 312.5853641993.

The spelling of 30542594 in words is "thirty million, five hundred forty-two thousand, five hundred ninety-four".

Divisors: 1 2 15271297 30542594