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30264661 = 729149087
BaseRepresentation
bin111001101110…
…0110101010101
32002221121022101
41303130311111
530221432121
63000402101
7515150110
oct163346525
962847271
1030264661
11160a1319
12a176331
1363685ab
14403b577
1529cc491
hex1cdcd55

30264661 has 8 divisors (see below), whose sum is σ = 35781120. Its totient is φ = 25046448.

The previous prime is 30264659. The next prime is 30264667. The reversal of 30264661 is 16646203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30264661 - 21 = 30264659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30264667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74341 + ... + 74746.

It is an arithmetic number, because the mean of its divisors is an integer number (4472640).

Almost surely, 230264661 is an apocalyptic number.

It is an amenable number.

30264661 is a deficient number, since it is larger than the sum of its proper divisors (5516459).

30264661 is a wasteful number, since it uses less digits than its factorization.

30264661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149123.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 30264661 is about 5501.3326567296. The cubic root of 30264661 is about 311.6343136399.

The spelling of 30264661 in words is "thirty million, two hundred sixty-four thousand, six hundred sixty-one".

Divisors: 1 7 29 203 149087 1043609 4323523 30264661