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54420250 = 253217681
BaseRepresentation
bin1100111110011…
…0001100011010
310210101211112211
43033212030122
5102412422000
65222225334
71230364423
oct317461432
9123354484
1054420250
112879a815
121628524a
13b375341
14732864a
154b9e7ba
hex33e631a

54420250 has 16 divisors (see below), whose sum is σ = 101875176. Its totient is φ = 21768000.

The previous prime is 54420239. The next prime is 54420257. The reversal of 54420250 is 5202445.

It can be written as a sum of positive squares in 4 ways, for example, as 6796449 + 47623801 = 2607^2 + 6901^2 .

It is a super-2 number, since 2×544202502 = 5923127220125000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54420257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108591 + ... + 109090.

Almost surely, 254420250 is an apocalyptic number.

54420250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54420250 is a deficient number, since it is larger than the sum of its proper divisors (47454926).

54420250 is a wasteful number, since it uses less digits than its factorization.

54420250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217698 (or 217688 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 54420250 is about 7377.0082011612. The cubic root of 54420250 is about 378.9543041934.

Adding to 54420250 its reverse (5202445), we get a palindrome (59622695).

The spelling of 54420250 in words is "fifty-four million, four hundred twenty thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 217681 435362 1088405 2176810 5442025 10884050 27210125 54420250