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54950990 = 2543472719
BaseRepresentation
bin1101000110011…
…1110001001110
310211101210120212
43101213301032
5103031412430
65241442422
71235034653
oct321476116
9124353525
1054950990
1129022546
12164a0412
13b4ccaa3
147425c2a
154c56b95
hex3467c4e

54950990 has 32 divisors (see below), whose sum is σ = 103403520. Its totient is φ = 21004704.

The previous prime is 54950989. The next prime is 54951011. The reversal of 54950990 is 9905945.

It is a super-2 number, since 2×549509902 = 6039222603960200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18851 + ... + 21569.

It is an arithmetic number, because the mean of its divisors is an integer number (3231360).

Almost surely, 254950990 is an apocalyptic number.

54950990 is a deficient number, since it is larger than the sum of its proper divisors (48452530).

54950990 is a wasteful number, since it uses less digits than its factorization.

54950990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816.

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 54950990 is about 7412.8934971440. The cubic root of 54950990 is about 380.1822532950.

The spelling of 54950990 in words is "fifty-four million, nine hundred fifty thousand, nine hundred ninety".

Divisors: 1 2 5 10 43 47 86 94 215 235 430 470 2021 2719 4042 5438 10105 13595 20210 27190 116917 127793 233834 255586 584585 638965 1169170 1277930 5495099 10990198 27475495 54950990