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55015374 = 23193713043
BaseRepresentation
bin1101000111011…
…1011111001110
310211112001220110
43101313133032
5103040442444
65243100450
71235423451
oct321673716
9124461813
1055015374
1129066957
1216511726
13b52319b
147441498
154c6acb9
hex34777ce

55015374 has 32 divisors (see below), whose sum is σ = 118961280. Its totient is φ = 16902432.

The previous prime is 55015369. The next prime is 55015381. The reversal of 55015374 is 47351055.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2304 + ... + 10739.

It is an arithmetic number, because the mean of its divisors is an integer number (3717540).

Almost surely, 255015374 is an apocalyptic number.

55015374 is an abundant number, since it is smaller than the sum of its proper divisors (63945906).

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

55015374 is a wasteful number, since it uses less digits than its factorization.

55015374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13104.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 55015374 is about 7417.2349295408. The cubic root of 55015374 is about 380.3306770727.

The spelling of 55015374 in words is "fifty-five million, fifteen thousand, three hundred seventy-four".

Divisors: 1 2 3 6 19 37 38 57 74 111 114 222 703 1406 2109 4218 13043 26086 39129 78258 247817 482591 495634 743451 965182 1447773 1486902 2895546 9169229 18338458 27507687 55015374