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253052500 = 2254101221
BaseRepresentation
bin11110001010101…
…00011001010100
3122122011101202211
433011110121110
51004240140000
641035443204
76161624251
oct1705243124
9578141684
10253052500
1111a9290a8
12708b6504
1340570c0c
1425872428
15173387ba
hexf154654

253052500 has 30 divisors (see below), whose sum is σ = 553380674. Its totient is φ = 101220000.

The previous prime is 253052491. The next prime is 253052537. The reversal of 253052500 is 5250352.

It can be written as a sum of positive squares in 5 ways, for example, as 180257476 + 72795024 = 13426^2 + 8532^2 .

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 9 ways as a sum of consecutive naturals, for example, 48111 + ... + 53110.

Almost surely, 2253052500 is an apocalyptic number.

253052500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253052500 is an abundant number, since it is smaller than the sum of its proper divisors (300328174).

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

253052500 is a wasteful number, since it uses less digits than its factorization.

253052500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101245 (or 101228 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 253052500 is about 15907.6239583415. The cubic root of 253052500 is about 632.5140992655.

The spelling of 253052500 in words is "two hundred fifty-three million, fifty-two thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 625 1250 2500 101221 202442 404884 506105 1012210 2024420 2530525 5061050 10122100 12652625 25305250 50610500 63263125 126526250 253052500