Search a number
-
+
4544990 = 251921259
BaseRepresentation
bin10001010101100111011110
322112220112222
4101111213132
52130414430
6241225342
753426462
oct21254736
98486488
104544990
11262479a
121632252
13c31958
148644a2
155eb9e5
hex4559de

4544990 has 24 divisors (see below), whose sum is σ = 8641080. Its totient is φ = 1720944.

The previous prime is 4544959. The next prime is 4545011. The reversal of 4544990 is 994454.

It is a Curzon number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 4544990.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 2981 + ... + 4239.

It is an arithmetic number, because the mean of its divisors is an integer number (360045).

Almost surely, 24544990 is an apocalyptic number.

4544990 is a deficient number, since it is larger than the sum of its proper divisors (4096090).

4544990 is a wasteful number, since it uses less digits than its factorization.

4544990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304 (or 1285 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 4544990 is about 2131.8982152063. The cubic root of 4544990 is about 165.6447378874.

The spelling of 4544990 in words is "four million, five hundred forty-four thousand, nine hundred ninety".

Divisors: 1 2 5 10 19 38 95 190 361 722 1259 1805 2518 3610 6295 12590 23921 47842 119605 239210 454499 908998 2272495 4544990