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480616990 = 2572980851
BaseRepresentation
bin11100101001011…
…010001000011110
31020111100212120021
4130221122020132
51441014220430
6115405142354
714624114500
oct3451321036
91214325507
10480616990
11227328727
12114b5a9ba
1378759769
1447b8bd70
152c2da07a
hex1ca5a21e

480616990 has 24 divisors (see below), whose sum is σ = 1006354152. Its totient is φ = 164782800.

The previous prime is 480616967. The next prime is 480616991. The reversal of 480616990 is 99616084.

It is a super-3 number, since 3×4806169903 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (480616991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 489936 + ... + 490915.

It is an arithmetic number, because the mean of its divisors is an integer number (41931423).

Almost surely, 2480616990 is an apocalyptic number.

480616990 is an abundant number, since it is smaller than the sum of its proper divisors (525737162).

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

480616990 is a wasteful number, since it uses less digits than its factorization.

480616990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980872 (or 980865 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 480616990 is about 21922.9785841249. The cubic root of 480616990 is about 783.3088615664.

The spelling of 480616990 in words is "four hundred eighty million, six hundred sixteen thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 980851 1961702 4904255 6865957 9808510 13731914 34329785 48061699 68659570 96123398 240308495 480616990