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480542891 = 5327133457
BaseRepresentation
bin11100101001001…
…000000010101011
31020111020002220212
4130221020002223
51441004333031
6115403411335
714623355453
oct3451100253
91214202825
10480542891
11227287a94
12114b23b4b
1378731b0a
1447b6cd63
152c2c312b
hex1ca480ab

480542891 has 8 divisors (see below), whose sum is σ = 491431104. Its totient is φ = 469722240.

The previous prime is 480542869. The next prime is 480542897. The reversal of 480542891 is 198245084.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 480542891 - 218 = 480280747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (480542897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2366 + ... + 31091.

It is an arithmetic number, because the mean of its divisors is an integer number (61428888).

Almost surely, 2480542891 is an apocalyptic number.

480542891 is a deficient number, since it is larger than the sum of its proper divisors (10888213).

480542891 is a wasteful number, since it uses less digits than its factorization.

480542891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33781.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 480542891 is about 21921.2885342080. The cubic root of 480542891 is about 783.2686040171.

The spelling of 480542891 in words is "four hundred eighty million, five hundred forty-two thousand, eight hundred ninety-one".

Divisors: 1 53 271 14363 33457 1773221 9066847 480542891