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55265186 = 2191454347
BaseRepresentation
bin1101001011010…
…0011110100010
310211222202120202
43102310132202
5103121441221
65252305202
71240513664
oct322643642
9124882522
1055265186
1129217609
1216612202
13b5acac2
1474a8534
154cb9d0b
hex34b47a2

55265186 has 8 divisors (see below), whose sum is σ = 87260880. Its totient is φ = 26178228.

The previous prime is 55265183. The next prime is 55265201. The reversal of 55265186 is 68156255.

55265186 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×552651862 = 6108481567229192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 1454347 = 55265186 / (5 + 5 + 2 + 6 + 5 + 1 + 8 + 6).

It is not an unprimeable number, because it can be changed into a prime (55265183) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 727136 + ... + 727211.

It is an arithmetic number, because the mean of its divisors is an integer number (10907610).

Almost surely, 255265186 is an apocalyptic number.

55265186 is a deficient number, since it is larger than the sum of its proper divisors (31995694).

55265186 is a wasteful number, since it uses less digits than its factorization.

55265186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454368.

The product of its digits is 72000, while the sum is 38.

The square root of 55265186 is about 7434.0558243801. The cubic root of 55265186 is about 380.9054722861.

The spelling of 55265186 in words is "fifty-five million, two hundred sixty-five thousand, one hundred eighty-six".

Divisors: 1 2 19 38 1454347 2908694 27632593 55265186