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2264720 = 24528309
BaseRepresentation
bin1000101000111010010000
311021001121112
420220322100
51034432340
6120312452
725151453
oct10507220
94231545
102264720
111307577
12912728
13613a93
1442d49a
152eb065
hex228e90

2264720 has 20 divisors (see below), whose sum is σ = 5265660. Its totient is φ = 905856.

The previous prime is 2264719. The next prime is 2264737. The reversal of 2264720 is 274622.

It can be written as a sum of positive squares in 2 ways, for example, as 891136 + 1373584 = 944^2 + 1172^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14075 + ... + 14234.

It is an arithmetic number, because the mean of its divisors is an integer number (263283).

22264720 is an apocalyptic number.

2264720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2264720 is an abundant number, since it is smaller than the sum of its proper divisors (3000940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2264720 is a wasteful number, since it uses less digits than its factorization.

2264720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28322 (or 28316 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 2264720 is about 1504.8986676850. The cubic root of 2264720 is about 131.3222066782.

The spelling of 2264720 in words is "two million, two hundred sixty-four thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 28309 56618 113236 141545 226472 283090 452944 566180 1132360 2264720