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530200400 = 24521325501
BaseRepresentation
bin11111100110100…
…011011101010000
31100221122222012212
4133212203131100
52041212403100
6124340011252
716065425522
oct3746433520
91327588185
10530200400
11252314454
12129690b28
1385aca362
14505b7a12
1531831635
hex1f9a3750

530200400 has 30 divisors (see below), whose sum is σ = 1273807422. Its totient is φ = 212080000.

The previous prime is 530200399. The next prime is 530200421. The reversal of 530200400 is 4002035.

It can be written as a sum of positive squares in 3 ways, for example, as 25928464 + 504271936 = 5092^2 + 22456^2 .

It is a super-2 number, since 2×5302004002 = 562224928320320000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 662351 + ... + 663150.

Almost surely, 2530200400 is an apocalyptic number.

530200400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

530200400 is an abundant number, since it is smaller than the sum of its proper divisors (743607022).

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

530200400 is a wasteful number, since it uses less digits than its factorization.

530200400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325519 (or 1325508 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 530200400 is about 23026.0808649670. The cubic root of 530200400 is about 809.3692188135.

Adding to 530200400 its reverse (4002035), we get a palindrome (534202435).

The spelling of 530200400 in words is "five hundred thirty million, two hundred thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 1325501 2651002 5302004 6627505 10604008 13255010 21208016 26510020 33137525 53020040 66275050 106040080 132550100 265100200 530200400