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248052020 = 22512402601
BaseRepresentation
bin11101100100011…
…11100100110100
3122021202100101212
432302033210310
51002000131040
640340340552
76101256506
oct1662174464
9567670355
10248052020
11118023177
126b0a4758
133c50cb58
1424d2dd76
1516b9bd65
hexec8f934

248052020 has 12 divisors (see below), whose sum is σ = 520909284. Its totient is φ = 99220800.

The previous prime is 248052019. The next prime is 248052053. The reversal of 248052020 is 20250842.

It can be written as a sum of positive squares in 2 ways, for example, as 72012196 + 176039824 = 8486^2 + 13268^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6201281 + ... + 6201320.

It is an arithmetic number, because the mean of its divisors is an integer number (43409107).

Almost surely, 2248052020 is an apocalyptic number.

248052020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

248052020 is an abundant number, since it is smaller than the sum of its proper divisors (272857264).

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

248052020 is a wasteful number, since it uses less digits than its factorization.

248052020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12402610 (or 12402608 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 248052020 is about 15749.6672980733. The cubic root of 248052020 is about 628.3200560689.

The spelling of 248052020 in words is "two hundred forty-eight million, fifty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 12402601 24805202 49610404 62013005 124026010 248052020