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530157400 = 23522650787
BaseRepresentation
bin11111100110011…
…000111101011000
31100221120210020021
4133212120331120
52041210014100
6124335040224
716065156253
oct3746307530
91327523207
10530157400
11252295113
12129670074
1385ab3906
14505a609a
1531823a1a
hex1f998f58

530157400 has 24 divisors (see below), whose sum is σ = 1232616420. Its totient is φ = 212062880.

The previous prime is 530157389. The next prime is 530157403. The reversal of 530157400 is 4751035.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530157403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1325194 + ... + 1325593.

Almost surely, 2530157400 is an apocalyptic number.

530157400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

530157400 is an abundant number, since it is smaller than the sum of its proper divisors (702459020).

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

530157400 is a wasteful number, since it uses less digits than its factorization.

530157400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650803 (or 2650794 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 530157400 is about 23025.1471222227. The cubic root of 530157400 is about 809.3473378937.

The spelling of 530157400 in words is "five hundred thirty million, one hundred fifty-seven thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 2650787 5301574 10603148 13253935 21206296 26507870 53015740 66269675 106031480 132539350 265078700 530157400