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54872282 = 227436141
BaseRepresentation
bin1101000101010…
…0100011011010
310211020210121202
43101110203122
5103021403112
65240034202
71234256333
oct321244332
9124223552
1054872282
1128a793a3
1216462962
13b4a300a
14740528a
154c3d6c2
hex34548da

54872282 has 4 divisors (see below), whose sum is σ = 82308426. Its totient is φ = 27436140.

The previous prime is 54872281. The next prime is 54872287. The reversal of 54872282 is 28227845.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28227845 = 55645569.

It can be written as a sum of positive squares in only one way, i.e., 41615401 + 13256881 = 6451^2 + 3641^2 .

It is not an unprimeable number, because it can be changed into a prime (54872281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13718069 + ... + 13718072.

Almost surely, 254872282 is an apocalyptic number.

54872282 is a deficient number, since it is larger than the sum of its proper divisors (27436144).

54872282 is a wasteful number, since it uses less digits than its factorization.

54872282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27436143.

The product of its digits is 71680, while the sum is 38.

The square root of 54872282 is about 7407.5827366287. The cubic root of 54872282 is about 380.0006509684. Note that the first 3 decimals are identical.

The spelling of 54872282 in words is "fifty-four million, eight hundred seventy-two thousand, two hundred eighty-two".

Divisors: 1 2 27436141 54872282