Search a number
-
+
55150746 = 2372814673
BaseRepresentation
bin1101001001100…
…0100010011010
310211202221121020
43102120202122
5103104310441
65250023310
71236526230
oct322304232
9124687536
1055150746
1129149632
1216577b36
13b56c9a1
147478950
154c95e66
hex349889a

55150746 has 32 divisors (see below), whose sum is σ = 126534528. Its totient is φ = 15697920.

The previous prime is 55150729. The next prime is 55150751. The reversal of 55150746 is 64705155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9466 + ... + 14138.

It is an arithmetic number, because the mean of its divisors is an integer number (3954204).

Almost surely, 255150746 is an apocalyptic number.

55150746 is an abundant number, since it is smaller than the sum of its proper divisors (71383782).

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

55150746 is a wasteful number, since it uses less digits than its factorization.

55150746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4966.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 55150746 is about 7426.3548258887. The cubic root of 55150746 is about 380.6423714775.

The spelling of 55150746 in words is "fifty-five million, one hundred fifty thousand, seven hundred forty-six".

Divisors: 1 2 3 6 7 14 21 42 281 562 843 1686 1967 3934 4673 5901 9346 11802 14019 28038 32711 65422 98133 196266 1313113 2626226 3939339 7878678 9191791 18383582 27575373 55150746