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55205274 = 239200879
BaseRepresentation
bin1101001010010…
…1110110011010
310211212201101210
43102211312122
5103113032044
65251123550
71240144215
oct322456632
9124781353
1055205274
11291865a3
12165a35b6
13b58b757
14749077c
154ca71b9
hex34a5d9a

55205274 has 8 divisors (see below), whose sum is σ = 110410560. Its totient is φ = 18401756.

The previous prime is 55205261. The next prime is 55205281. The reversal of 55205274 is 47250255.

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

55205274 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4600434 + ... + 4600445.

It is an arithmetic number, because the mean of its divisors is an integer number (13801320).

Almost surely, 255205274 is an apocalyptic number.

55205274 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55205274 is a wasteful number, since it uses less digits than its factorization.

55205274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9200884.

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 55205274 is about 7430.0251681943. The cubic root of 55205274 is about 380.7677782463.

The spelling of 55205274 in words is "fifty-five million, two hundred five thousand, two hundred seventy-four".

Divisors: 1 2 3 6 9200879 18401758 27602637 55205274