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481234638 = 23318573019
BaseRepresentation
bin11100101011110…
…000111011001110
31020112112020211010
4130223300323032
51441144002023
6115430310050
714632266303
oct3453607316
91215466733
10481234638
1122770a785
121151b8326
1378914931
1447cad0aa
152c3ad093
hex1caf0ece

481234638 has 32 divisors (see below), whose sum is σ = 995005440. Its totient is φ = 155004480.

The previous prime is 481234597. The next prime is 481234639. The reversal of 481234638 is 836432184.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 481234596 and 481234605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481234639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157893 + ... + 160911.

It is an arithmetic number, because the mean of its divisors is an integer number (31093920).

Almost surely, 2481234638 is an apocalyptic number.

481234638 is an abundant number, since it is smaller than the sum of its proper divisors (513770802).

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

481234638 is a wasteful number, since it uses less digits than its factorization.

481234638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912.

The product of its digits is 110592, while the sum is 39.

The square root of 481234638 is about 21937.0608332110. The cubic root of 481234638 is about 783.6442651965.

The spelling of 481234638 in words is "four hundred eighty-one million, two hundred thirty-four thousand, six hundred thirty-eight".

Divisors: 1 2 3 6 31 62 93 186 857 1714 2571 3019 5142 6038 9057 18114 26567 53134 79701 93589 159402 187178 280767 561534 2587283 5174566 7761849 15523698 80205773 160411546 240617319 481234638