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25272284 = 226318071
BaseRepresentation
bin110000001100…
…1111111011100
31202112222001112
41200121333130
522432203114
62301401152
7424545062
oct140317734
952488045
1025272284
11132a1494
1285691b8
13530b11b
1434dc032
15234313e
hex1819fdc

25272284 has 6 divisors (see below), whose sum is σ = 44226504. Its totient is φ = 12636140.

The previous prime is 25272271. The next prime is 25272287. The reversal of 25272284 is 48227252.

It is a super-3 number, since 3×252722843 (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25272284.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25272287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3159032 + ... + 3159039.

It is an arithmetic number, because the mean of its divisors is an integer number (7371084).

Almost surely, 225272284 is an apocalyptic number.

It is an amenable number.

25272284 is a deficient number, since it is larger than the sum of its proper divisors (18954220).

25272284 is a wasteful number, since it uses less digits than its factorization.

25272284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6318075 (or 6318073 counting only the distinct ones).

The product of its digits is 17920, while the sum is 32.

The square root of 25272284 is about 5027.1546624308. The cubic root of 25272284 is about 293.4594940555.

The spelling of 25272284 in words is "twenty-five million, two hundred seventy-two thousand, two hundred eighty-four".

Divisors: 1 2 4 6318071 12636142 25272284