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480789157 = 4211142017
BaseRepresentation
bin11100101010000…
…100001010100101
31020111200121201211
4130222010022211
51441040223112
6115412551421
714625432442
oct3452041245
91214617654
10480789157
11227436012
12115022571
13787b9c34
1447bd49c9
152c3210a7
hex1ca842a5

480789157 has 4 divisors (see below), whose sum is σ = 481931596. Its totient is φ = 479646720.

The previous prime is 480789143. The next prime is 480789161. The reversal of 480789157 is 751987084.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 165868641 + 314920516 = 12879^2 + 17746^2 .

It is a cyclic number.

It is not a de Polignac number, because 480789157 - 215 = 480756389 is a prime.

It is a super-3 number, since 3×4807891573 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 480789157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (480789187) 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, 570588 + ... + 571429.

It is an arithmetic number, because the mean of its divisors is an integer number (120482899).

Almost surely, 2480789157 is an apocalyptic number.

It is an amenable number.

480789157 is a deficient number, since it is larger than the sum of its proper divisors (1142439).

480789157 is a wasteful number, since it uses less digits than its factorization.

480789157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142438.

The product of its (nonzero) digits is 564480, while the sum is 49.

The square root of 480789157 is about 21926.9048659404. The cubic root of 480789157 is about 783.4023829077.

The spelling of 480789157 in words is "four hundred eighty million, seven hundred eighty-nine thousand, one hundred fifty-seven".

Divisors: 1 421 1142017 480789157