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20240363925 = 325289957173
BaseRepresentation
bin10010110110011010…
…110111000110010101
31221020120211000120100
4102312122313012111
5312423013121200
613144233124313
71314401153235
oct226632670625
957216730510
1020240363925
118647180aa1
123b0a559699
131ba7425302
14da01b3cc5
157d6de9d00
hex4b66b7195

20240363925 has 18 divisors (see below), whose sum is σ = 36252741122. Its totient is φ = 10794860640.

The previous prime is 20240363917. The next prime is 20240363963. The reversal of 20240363925 is 52936304202.

It is a happy number.

20240363925 is a `hidden beast` number, since 20 + 240 + 3 + 6 + 392 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1602756 + 20238761169 = 1266^2 + 142263^2 .

It is not a de Polignac number, because 20240363925 - 23 = 20240363917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20240363925.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 44978362 + ... + 44978811.

Almost surely, 220240363925 is an apocalyptic number.

20240363925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20240363925 is a deficient number, since it is larger than the sum of its proper divisors (16012377197).

20240363925 is a wasteful number, since it uses less digits than its factorization.

20240363925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89957189 (or 89957181 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 20240363925 in words is "twenty billion, two hundred forty million, three hundred sixty-three thousand, nine hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 89957173 269871519 449785865 809614557 1349357595 2248929325 4048072785 6746787975 20240363925