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2485708488 = 2332269128341
BaseRepresentation
bin1001010000101000…
…1110011011001000
320102020022002000100
42110022032123020
520042320132423
61050353205400
7115412113344
oct22412163310
96366262010
102485708488
11106613263a
12594560860
13307c97433
141981b0624
15e8356343
hex9428e6c8

2485708488 has 48 divisors (see below), whose sum is σ = 6757206300. Its totient is φ = 825482880.

The previous prime is 2485708487. The next prime is 2485708493. The reversal of 2485708488 is 8848075842.

2485708488 is a `hidden beast` number, since 2 + 485 + 7 + 0 + 84 + 88 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2484224964 + 1483524 = 49842^2 + 1218^2 .

It is a super-2 number, since 2×24857084882 = 12357493374630492288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2485708487) by changing a digit.

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, 44803 + ... + 83538.

Almost surely, 22485708488 is an apocalyptic number.

It is an amenable number.

2485708488 is an abundant number, since it is smaller than the sum of its proper divisors (4271497812).

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

2485708488 is a wasteful number, since it uses less digits than its factorization.

2485708488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128622 (or 128615 counting only the distinct ones).

The product of its (nonzero) digits is 4587520, while the sum is 54.

The square root of 2485708488 is about 49856.8800467899. The cubic root of 2485708488 is about 1354.6176556792.

The spelling of 2485708488 in words is "two billion, four hundred eighty-five million, seven hundred eight thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 269 538 807 1076 1614 2152 2421 3228 4842 6456 9684 19368 128341 256682 385023 513364 770046 1026728 1155069 1540092 2310138 3080184 4620276 9240552 34523729 69047458 103571187 138094916 207142374 276189832 310713561 414284748 621427122 828569496 1242854244 2485708488