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55047426 = 2378315791
BaseRepresentation
bin1101000111111…
…1010100000010
310211120200212120
43101333110002
5103043004201
65243505110
71235616060
oct321772402
9124520776
1055047426
1129088a45
1216528196
13b534955
14744d030
154c75536
hex347f502

55047426 has 32 divisors (see below), whose sum is σ = 127346688. Its totient is φ = 15537360.

The previous prime is 55047409. The next prime is 55047451. The reversal of 55047426 is 62474055.

55047426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 4410 + ... + 11381.

It is an arithmetic number, because the mean of its divisors is an integer number (3979584).

Almost surely, 255047426 is an apocalyptic number.

55047426 is an abundant number, since it is smaller than the sum of its proper divisors (72299262).

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

55047426 is a wasteful number, since it uses less digits than its factorization.

55047426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15886.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 55047426 is about 7419.3952583752. The cubic root of 55047426 is about 380.4045230505.

The spelling of 55047426 in words is "fifty-five million, forty-seven thousand, four hundred twenty-six".

Divisors: 1 2 3 6 7 14 21 42 83 166 249 498 581 1162 1743 3486 15791 31582 47373 94746 110537 221074 331611 663222 1310653 2621306 3931959 7863918 9174571 18349142 27523713 55047426