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53370250 = 253213481
BaseRepresentation
bin1100101110010…
…1110110001010
310201102111012221
43023211312022
5102130322000
65143524254
71215432253
oct313456612
9121374187
1053370250
112814294a
1215a5968a
13b09843b
147133b2a
154a4361a
hex32e5d8a

53370250 has 16 divisors (see below), whose sum is σ = 99909576. Its totient is φ = 21348000.

The previous prime is 53370223. The next prime is 53370277. The reversal of 53370250 is 5207335.

It is an interprime number because it is at equal distance from previous prime (53370223) and next prime (53370277).

It can be written as a sum of positive squares in 4 ways, for example, as 19811401 + 33558849 = 4451^2 + 5793^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106491 + ... + 106990.

Almost surely, 253370250 is an apocalyptic number.

53370250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53370250 is a deficient number, since it is larger than the sum of its proper divisors (46539326).

53370250 is a wasteful number, since it uses less digits than its factorization.

53370250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213498 (or 213488 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 53370250 is about 7305.4945075607. The cubic root of 53370250 is about 376.5012413048.

Adding to 53370250 its reverse (5207335), we get a palindrome (58577585).

The spelling of 53370250 in words is "fifty-three million, three hundred seventy thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 213481 426962 1067405 2134810 5337025 10674050 26685125 53370250