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1025272 = 23128159
BaseRepresentation
bin11111010010011111000
31221002102001
43322103320
5230302042
633550344
711500063
oct3722370
91832361
101025272
11640336
124153b4
1329b891
141c98da
15153bb7
hexfa4f8

1025272 has 8 divisors (see below), whose sum is σ = 1922400. Its totient is φ = 512632.

The previous prime is 1025267. The next prime is 1025273. The reversal of 1025272 is 2725201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64072 + ... + 64087.

It is an arithmetic number, because the mean of its divisors is an integer number (240300).

21025272 is an apocalyptic number.

It is an amenable number.

1025272 is a deficient number, since it is larger than the sum of its proper divisors (897128).

1025272 is a wasteful number, since it uses less digits than its factorization.

1025272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128165 (or 128161 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 1025272 is about 1012.5571588804. The cubic root of 1025272 is about 100.8354016074.

The spelling of 1025272 in words is "one million, twenty-five thousand, two hundred seventy-two".

Divisors: 1 2 4 8 128159 256318 512636 1025272