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5251400430 = 2351376611933
BaseRepresentation
bin1001110010000001…
…00000001011101110
3111112222102210010020
410321000200023232
541223324303210
62225031423010
7244064111223
oct47100401356
914488383106
105251400430
112255307961
121026824a66
13658c71843
1437b62394a
1520b065770
hex1390202ee

5251400430 has 64 divisors (see below), whose sum is σ = 12721140288. Its totient is φ = 1387330560.

The previous prime is 5251400423. The next prime is 5251400461. The reversal of 5251400430 is 340041525.

It is a self number, because there is not a number n which added to its sum of digits gives 5251400430.

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 31 ways as a sum of consecutive naturals, for example, 2715744 + ... + 2717676.

It is an arithmetic number, because the mean of its divisors is an integer number (198767817).

Almost surely, 25251400430 is an apocalyptic number.

5251400430 is an abundant number, since it is smaller than the sum of its proper divisors (7469739858).

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

5251400430 is a wasteful number, since it uses less digits than its factorization.

5251400430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 5251400430 is about 72466.5469716889. The cubic root of 5251400430 is about 1738.1678462280.

Adding to 5251400430 its reverse (340041525), we get a palindrome (5591441955).

The spelling of 5251400430 in words is "five billion, two hundred fifty-one million, four hundred thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 137 274 411 661 685 822 1322 1370 1933 1983 2055 3305 3866 3966 4110 5799 6610 9665 9915 11598 19330 19830 28995 57990 90557 181114 264821 271671 452785 529642 543342 794463 905570 1277713 1324105 1358355 1588926 2555426 2648210 2716710 3833139 3972315 6388565 7666278 7944630 12777130 19165695 38331390 175046681 350093362 525140043 875233405 1050280086 1750466810 2625700215 5251400430