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2248856280 = 23325112324691
BaseRepresentation
bin1000011000001010…
…1101001011011000
312210201121201212100
42012002231023120
514101201400110
61011052443400
7106504651206
oct20602551330
95721551770
102248856280
11a5446a010
12529179560
1329aba92b8
14174958076
15d266cbc0
hex860ad2d8

2248856280 has 192 divisors, whose sum is σ = 8320216320. Its totient is φ = 521452800.

The previous prime is 2248856261. The next prime is 2248856341. The reversal of 2248856280 is 826588422.

2248856280 is a `hidden beast` number, since 2 + 2 + 4 + 8 + 8 + 562 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78735 + ... + 103425.

It is an arithmetic number, because the mean of its divisors is an integer number (43334460).

Almost surely, 22248856280 is an apocalyptic number.

2248856280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2248856280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4160108160).

2248856280 is an abundant number, since it is smaller than the sum of its proper divisors (6071360040).

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

2248856280 is a wasteful number, since it uses less digits than its factorization.

2248856280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24742 (or 24735 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The square root of 2248856280 is about 47422.1075027249. The cubic root of 2248856280 is about 1310.1486302623.

The spelling of 2248856280 in words is "two billion, two hundred forty-eight million, eight hundred fifty-six thousand, two hundred eighty".