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2265428 = 221151487
BaseRepresentation
bin1000101001000101010100
311021002120202
420221011110
51034443203
6120320032
725153514
oct10510524
94232522
102265428
111308060
12913018
136141b9
1442d844
152eb388
hex229154

2265428 has 12 divisors (see below), whose sum is σ = 4324992. Its totient is φ = 1029720.

The previous prime is 2265421. The next prime is 2265433. The reversal of 2265428 is 8245622.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2265428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25700 + ... + 25787.

It is an arithmetic number, because the mean of its divisors is an integer number (360416).

22265428 is an apocalyptic number.

It is an amenable number.

2265428 is a deficient number, since it is larger than the sum of its proper divisors (2059564).

2265428 is a wasteful number, since it uses less digits than its factorization.

2265428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51502 (or 51500 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 2265428 is about 1505.1338810883. The cubic root of 2265428 is about 131.3358899643.

The spelling of 2265428 in words is "two million, two hundred sixty-five thousand, four hundred twenty-eight".

Divisors: 1 2 4 11 22 44 51487 102974 205948 566357 1132714 2265428