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30340994 = 215170497
BaseRepresentation
bin111001110111…
…1011110000010
32010002111000112
41303233132002
530231402434
63002151322
7515615465
oct163573602
963074015
1030340994
1116143702
12a1b2542
136394268
14405b2dc
1529e4dce
hex1cef782

30340994 has 4 divisors (see below), whose sum is σ = 45511494. Its totient is φ = 15170496.

The previous prime is 30340987. The next prime is 30341009. The reversal of 30340994 is 49904303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49904303 = 113441631.

It can be written as a sum of positive squares in only one way, i.e., 22915369 + 7425625 = 4787^2 + 2725^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30340994.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7585247 + ... + 7585250.

Almost surely, 230340994 is an apocalyptic number.

30340994 is a deficient number, since it is larger than the sum of its proper divisors (15170500).

30340994 is a wasteful number, since it uses less digits than its factorization.

30340994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15170499.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 30340994 is about 5508.2659703395. The cubic root of 30340994 is about 311.8960932209.

The spelling of 30340994 in words is "thirty million, three hundred forty thousand, nine hundred ninety-four".

Divisors: 1 2 15170497 30340994