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485020980 = 2233519411153
BaseRepresentation
bin11100111010001…
…101010100110100
31020210122121201000
4130322031110310
51443131132410
6120043403300
715006416223
oct3472152464
91223577630
10485020980
11229866494
12116523530
137963c182
14485b6cba
152c8a9dc0
hex1ce8d534

485020980 has 192 divisors, whose sum is σ = 1628524800. Its totient is φ = 119439360.

The previous prime is 485020933. The next prime is 485020993. The reversal of 485020980 is 89020584.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 420084 + ... + 421236.

It is an arithmetic number, because the mean of its divisors is an integer number (8481900).

Almost surely, 2485020980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 485020980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (814262400).

485020980 is an abundant number, since it is smaller than the sum of its proper divisors (1143503820).

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

485020980 is a wasteful number, since it uses less digits than its factorization.

485020980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231 (or 1223 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 485020980 is about 22023.1918667572. The cubic root of 485020980 is about 785.6941295734.

The spelling of 485020980 in words is "four hundred eighty-five million, twenty thousand, nine hundred eighty".