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253023750 = 235547217
BaseRepresentation
bin11110001010011…
…01011000000110
3122122002221100000
433011031120012
51004233230000
641035102130
76161444400
oct1705153006
9578087300
10253023750
1111a909541
12708a1946
1340560ac5
1425865b70
1517330000
hexf14d606

253023750 has 360 divisors, whose sum is σ = 875026152. Its totient is φ = 54432000.

The previous prime is 253023737. The next prime is 253023761. The reversal of 253023750 is 57320352.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 179 ways as a sum of consecutive naturals, for example, 14883742 + ... + 14883758.

Almost surely, 2253023750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253023750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437513076).

253023750 is an abundant number, since it is smaller than the sum of its proper divisors (622002402).

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

253023750 is an equidigital number, since it uses as much as digits as its factorization.

253023750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 253023750 is about 15906.7202779203. The cubic root of 253023750 is about 632.4901444615.

The spelling of 253023750 in words is "two hundred fifty-three million, twenty-three thousand, seven hundred fifty".