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485154642 = 23773792003
BaseRepresentation
bin11100111010101…
…101111101010010
31020210220102001110
4130322231331102
51443144422032
6120050314150
715010514010
oct3472557522
91223812043
10485154642
11229947955
12116588956
1379687c6b
144860d8b0
152c8d47cc
hex1ceadf52

485154642 has 64 divisors (see below), whose sum is σ = 1138913280. Its totient is φ = 134918784.

The previous prime is 485154641. The next prime is 485154661. The reversal of 485154642 is 246451584.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 485154642.

It is not an unprimeable number, because it can be changed into a prime (485154641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 241213 + ... + 243215.

It is an arithmetic number, because the mean of its divisors is an integer number (17795520).

Almost surely, 2485154642 is an apocalyptic number.

485154642 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 485154642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (569456640).

485154642 is an abundant number, since it is smaller than the sum of its proper divisors (653758638).

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

485154642 is a wasteful number, since it uses less digits than its factorization.

485154642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167.

The product of its digits is 153600, while the sum is 39.

The square root of 485154642 is about 22026.2262314723. The cubic root of 485154642 is about 785.7662967632.

The spelling of 485154642 in words is "four hundred eighty-five million, one hundred fifty-four thousand, six hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 73 79 146 158 219 237 438 474 511 553 1022 1106 1533 1659 2003 3066 3318 4006 5767 6009 11534 12018 14021 17301 28042 34602 40369 42063 80738 84126 121107 146219 158237 242214 292438 316474 438657 474711 877314 949422 1023533 1107659 2047066 2215318 3070599 3322977 6141198 6645954 11551301 23102602 34653903 69307806 80859107 161718214 242577321 485154642