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54532990 = 2527719687
BaseRepresentation
bin1101000000000…
…1101101111110
310210121120012101
43100001231332
5102430023430
65224455314
71231344211
oct320015576
9123546171
1054532990
1128867496
121631a53a
13b3b4755
147357778
154bc2dca
hex3401b7e

54532990 has 16 divisors (see below), whose sum is σ = 98518752. Its totient is φ = 21733344.

The previous prime is 54532981. The next prime is 54533033. The reversal of 54532990 is 9923545.

54532990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7074 + ... + 12613.

It is an arithmetic number, because the mean of its divisors is an integer number (6157422).

Almost surely, 254532990 is an apocalyptic number.

54532990 is a deficient number, since it is larger than the sum of its proper divisors (43985762).

54532990 is a wasteful number, since it uses less digits than its factorization.

54532990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19971.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 54532990 is about 7384.6455568294. The cubic root of 54532990 is about 379.2158112580.

The spelling of 54532990 in words is "fifty-four million, five hundred thirty-two thousand, nine hundred ninety".

Divisors: 1 2 5 10 277 554 1385 2770 19687 39374 98435 196870 5453299 10906598 27266495 54532990