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55146370 = 2510950593
BaseRepresentation
bin1101001001011…
…1011110000010
310211202201121011
43102113132002
5103104140440
65245551134
71236510406
oct322273602
9124681534
1055146370
1129146314
12165754aa
13b56a9b6
147477106
154c949ea
hex3497782

55146370 has 16 divisors (see below), whose sum is σ = 100176120. Its totient is φ = 21855744.

The previous prime is 55146367. The next prime is 55146383. The reversal of 55146370 is 7364155.

55146370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 47872561 + 7273809 = 6919^2 + 2697^2 .

It is a super-2 number, since 2×551463702 = 6082244248353800, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 24207 + ... + 26386.

Almost surely, 255146370 is an apocalyptic number.

55146370 is a deficient number, since it is larger than the sum of its proper divisors (45029750).

55146370 is a wasteful number, since it uses less digits than its factorization.

55146370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50709.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 55146370 is about 7426.0601936693. The cubic root of 55146370 is about 380.6323037075.

The spelling of 55146370 in words is "fifty-five million, one hundred forty-six thousand, three hundred seventy".

Divisors: 1 2 5 10 109 218 545 1090 50593 101186 252965 505930 5514637 11029274 27573185 55146370