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248980482 = 23226951421
BaseRepresentation
bin11101101011100…
…10010000000010
3122100111112000100
432311302100002
51002214333412
640412303230
76112204422
oct1665622002
9570445010
10248980482
111185a77a3
126b471b16
133c77663a
14250d2482
1516cd1edc
hexed72402

248980482 has 24 divisors (see below), whose sum is σ = 541473660. Its totient is φ = 82683360.

The previous prime is 248980469. The next prime is 248980483. The reversal of 248980482 is 284089842.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 238424481 + 10556001 = 15441^2 + 3249^2 .

It is not an unprimeable number, because it can be changed into a prime (248980483) 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, 20869 + ... + 30552.

Almost surely, 2248980482 is an apocalyptic number.

248980482 is an abundant number, since it is smaller than the sum of its proper divisors (292493178).

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

248980482 is a wasteful number, since it uses less digits than its factorization.

248980482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51698 (or 51695 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 248980482 is about 15779.1153744435. The cubic root of 248980482 is about 629.1030167696.

The spelling of 248980482 in words is "two hundred forty-eight million, nine hundred eighty thousand, four hundred eighty-two".

Divisors: 1 2 3 6 9 18 269 538 807 1614 2421 4842 51421 102842 154263 308526 462789 925578 13832249 27664498 41496747 82993494 124490241 248980482