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5221351400 = 235229900233
BaseRepresentation
bin1001101110011011…
…10111111111101000
3111110212220010121012
410313031313333220
541143131221100
62222035403052
7243250516556
oct46715677750
914425803535
105221351400
11223a353651
121018753488
13652980455
14377640bd6
152085cc135
hex137377fe8

5221351400 has 48 divisors (see below), whose sum is σ = 12558264300. Its totient is φ = 2016519680.

The previous prime is 5221351391. The next prime is 5221351403. The reversal of 5221351400 is 41531225.

It can be written as a sum of positive squares in 6 ways, for example, as 796707076 + 4424644324 = 28226^2 + 66518^2 .

It is not an unprimeable number, because it can be changed into a prime (5221351403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 444317 + ... + 455916.

Almost surely, 25221351400 is an apocalyptic number.

5221351400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5221351400 is an abundant number, since it is smaller than the sum of its proper divisors (7336912900).

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

5221351400 is a wasteful number, since it uses less digits than its factorization.

5221351400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900278 (or 900269 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 5221351400 is about 72258.9191726530. The cubic root of 5221351400 is about 1734.8461800309.

Adding to 5221351400 its reverse (41531225), we get a palindrome (5262882625).

The spelling of 5221351400 in words is "five billion, two hundred twenty-one million, three hundred fifty-one thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 29 40 50 58 100 116 145 200 232 290 580 725 1160 1450 2900 5800 900233 1800466 3600932 4501165 7201864 9002330 18004660 22505825 26106757 36009320 45011650 52213514 90023300 104427028 130533785 180046600 208854056 261067570 522135140 652668925 1044270280 1305337850 2610675700 5221351400