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27250425 = 345213457
BaseRepresentation
bin110011111110…
…0111011111001
31220021110120000
41213330323321
523434003200
62412023213
7450424206
oct147747371
956243500
1027250425
1114422714
129161b09
135851617
143894cad
1525d4300
hex19fcef9

27250425 has 30 divisors (see below), whose sum is σ = 50480958. Its totient is φ = 14532480.

The previous prime is 27250417. The next prime is 27250451. The reversal of 27250425 is 52405272.

It can be written as a sum of positive squares in 3 ways, for example, as 9585216 + 17665209 = 3096^2 + 4203^2 .

It is not a de Polignac number, because 27250425 - 23 = 27250417 is a prime.

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

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 4704 + ... + 8753.

Almost surely, 227250425 is an apocalyptic number.

27250425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27250425 is a deficient number, since it is larger than the sum of its proper divisors (23230533).

27250425 is a wasteful number, since it uses less digits than its factorization.

27250425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13479 (or 13465 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 27250425 is about 5220.1939619137. The cubic root of 27250425 is about 300.9246471641.

Adding to 27250425 its reverse (52405272), we get a palindrome (79655697).

The spelling of 27250425 in words is "twenty-seven million, two hundred fifty thousand, four hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 81 135 225 405 675 2025 13457 40371 67285 121113 201855 336425 363339 605565 1009275 1090017 1816695 3027825 5450085 9083475 27250425