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2251334032 = 24298954517
BaseRepresentation
bin1000011000110000…
…1010000110010000
312210220021121200221
42012030022012100
514102320142112
61011221522424
7106535011033
oct20614120620
95726247627
102251334032
11a55901642
12529b73414
1329b56601c
1417500101a
15d29abe07
hex8630a190

2251334032 has 40 divisors (see below), whose sum is σ = 4563156600. Its totient is φ = 1074619392.

The previous prime is 2251334027. The next prime is 2251334039. The reversal of 2251334032 is 2304331522.

It can be written as a sum of positive squares in 4 ways, for example, as 490356736 + 1760977296 = 22144^2 + 41964^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2251333988 and 2251334006.

It is not an unprimeable number, because it can be changed into a prime (2251334039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14038 + ... + 68554.

It is an arithmetic number, because the mean of its divisors is an integer number (114078915).

Almost surely, 22251334032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2251334032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2281578300).

2251334032 is an abundant number, since it is smaller than the sum of its proper divisors (2311822568).

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

2251334032 is a wasteful number, since it uses less digits than its factorization.

2251334032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54643 (or 54637 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 2251334032 is about 47448.2247507744. The cubic root of 2251334032 is about 1310.6296202268.

Adding to 2251334032 its reverse (2304331522), we get a palindrome (4555665554).

The spelling of 2251334032 in words is "two billion, two hundred fifty-one million, three hundred thirty-four thousand, thirty-two".

Divisors: 1 2 4 8 16 29 58 89 116 178 232 356 464 712 1424 2581 5162 10324 20648 41296 54517 109034 218068 436136 872272 1580993 3161986 4852013 6323972 9704026 12647944 19408052 25295888 38816104 77632208 140708377 281416754 562833508 1125667016 2251334032