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2251048800 = 2535271113937
BaseRepresentation
bin1000011000101100…
…0100011101100000
312210212202010102210
42012023010131200
514102232030200
61011211442120
7106532412330
oct20613043540
95725663383
102251048800
11a55727310
12529a56340
1329b496250
14174d690c0
15d2952650
hex862c4760

2251048800 has 576 divisors, whose sum is σ = 9848369664. Its totient is φ = 431308800.

The previous prime is 2251048783. The next prime is 2251048819. The reversal of 2251048800 is 88401522.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2401932 + ... + 2402868.

It is an arithmetic number, because the mean of its divisors is an integer number (17097864).

Almost surely, 22251048800 is an apocalyptic number.

2251048800 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 2251048800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4924184832).

2251048800 is an abundant number, since it is smaller than the sum of its proper divisors (7597320864).

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

2251048800 is a wasteful number, since it uses less digits than its factorization.

2251048800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 2251048800 is about 47445.2189372122. The cubic root of 2251048800 is about 1310.5742679643.

The spelling of 2251048800 in words is "two billion, two hundred fifty-one million, forty-eight thousand, eight hundred".