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485128044 = 2232109123631
BaseRepresentation
bin11100111010100…
…111011101101100
31020210212001120100
4130322213131230
51443143044134
6120045551100
715010343322
oct3472473554
91223761510
10485128044
11229929975
12116575490
1379678b1b
1448603d12
152c8cb999
hex1cea776c

485128044 has 36 divisors (see below), whose sum is σ = 1237556320. Its totient is φ = 160224480.

The previous prime is 485128009. The next prime is 485128067. The reversal of 485128044 is 440821584.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57892 + ... + 65739.

Almost surely, 2485128044 is an apocalyptic number.

It is an amenable number.

485128044 is an abundant number, since it is smaller than the sum of its proper divisors (752428276).

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

485128044 is a wasteful number, since it uses less digits than its factorization.

485128044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123750 (or 123745 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 36.

The square root of 485128044 is about 22025.6224429640. The cubic root of 485128044 is about 785.7519369474.

The spelling of 485128044 in words is "four hundred eighty-five million, one hundred twenty-eight thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 109 218 327 436 654 981 1308 1962 3924 123631 247262 370893 494524 741786 1112679 1483572 2225358 4450716 13475779 26951558 40427337 53903116 80854674 121282011 161709348 242564022 485128044