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48868180 = 2252443409
BaseRepresentation
bin1011101001101…
…0101101010100
310101221202112121
42322122231110
5100002240210
64503225324
71132241554
oct272325524
9111852477
1048868180
1125648429
1214448244
13a1801aa
1466c1164
1544546da
hex2e9ab54

48868180 has 12 divisors (see below), whose sum is σ = 102623220. Its totient is φ = 19547264.

The previous prime is 48868153. The next prime is 48868199. The reversal of 48868180 is 8186884.

It can be written as a sum of positive squares in 2 ways, for example, as 24147396 + 24720784 = 4914^2 + 4972^2 .

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, 1221685 + ... + 1221724.

It is an arithmetic number, because the mean of its divisors is an integer number (8551935).

Almost surely, 248868180 is an apocalyptic number.

It is an amenable number.

48868180 is an abundant number, since it is smaller than the sum of its proper divisors (53755040).

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

48868180 is a wasteful number, since it uses less digits than its factorization.

48868180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443418 (or 2443416 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 43.

The square root of 48868180 is about 6990.5779446338. The cubic root of 48868180 is about 365.6021336663.

The spelling of 48868180 in words is "forty-eight million, eight hundred sixty-eight thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 2443409 4886818 9773636 12217045 24434090 48868180