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485240144 = 2431396893
BaseRepresentation
bin11100111011000…
…010110101010000
31020211001202100012
4130323002311100
51443210141034
6120052214052
715011321204
oct3473026520
91224052305
10485240144
112299a6114
1211660a328
13796b7b5c
1448632b04
152c8eecce
hex1cec2d50

485240144 has 20 divisors (see below), whose sum is σ = 943166196. Its totient is φ = 241842432.

The previous prime is 485240141. The next prime is 485240153. The reversal of 485240144 is 441042584.

It can be written as a sum of positive squares in 2 ways, for example, as 57577744 + 427662400 = 7588^2 + 20680^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 485240144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485240141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43439 + ... + 53454.

Almost surely, 2485240144 is an apocalyptic number.

It is an amenable number.

485240144 is a deficient number, since it is larger than the sum of its proper divisors (457926052).

485240144 is a wasteful number, since it uses less digits than its factorization.

485240144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97214 (or 97208 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 32.

The square root of 485240144 is about 22028.1670594718. The cubic root of 485240144 is about 785.8124543095.

The spelling of 485240144 in words is "four hundred eighty-five million, two hundred forty thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 313 626 1252 2504 5008 96893 193786 387572 775144 1550288 30327509 60655018 121310036 242620072 485240144