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30054488 = 233979463
BaseRepresentation
bin111001010100…
…1100001011000
32002112221000012
41302221201120
530143220423
62552101052
7513313262
oct162514130
962487005
1030054488
1115a68422
12a094788
1362c3a29
143dc4b32
15298a078
hex1ca9858

30054488 has 16 divisors (see below), whose sum is σ = 56500080. Its totient is φ = 14987808.

The previous prime is 30054457. The next prime is 30054503. The reversal of 30054488 is 88445003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1556 + ... + 7907.

It is an arithmetic number, because the mean of its divisors is an integer number (3531255).

Almost surely, 230054488 is an apocalyptic number.

It is an amenable number.

30054488 is a deficient number, since it is larger than the sum of its proper divisors (26445592).

30054488 is a wasteful number, since it uses less digits than its factorization.

30054488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9866 (or 9862 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 30054488 is about 5482.1973696685. The cubic root of 30054488 is about 310.9112555798.

The spelling of 30054488 in words is "thirty million, fifty-four thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 397 794 1588 3176 9463 18926 37852 75704 3756811 7513622 15027244 30054488