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2265480 = 2332572931
BaseRepresentation
bin1000101001000110001000
311021002122200
420221012020
51034443410
6120320200
725153620
oct10510610
94232580
102265480
1113080a8
12913060
13614229
1442d880
152eb3c0
hex229188

2265480 has 192 divisors, whose sum is σ = 8985600. Its totient is φ = 483840.

The previous prime is 2265469. The next prime is 2265493. The reversal of 2265480 is 845622.

2265480 = 832 + 842 + ... + 1942.

2265480 is a `hidden beast` number, since 2 + 2 + 654 + 8 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73065 + ... + 73095.

It is an arithmetic number, because the mean of its divisors is an integer number (46800).

22265480 is an apocalyptic number.

2265480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2265480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4492800).

2265480 is an abundant number, since it is smaller than the sum of its proper divisors (6720120).

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

2265480 is a wasteful number, since it uses less digits than its factorization.

2265480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2265480 is about 1505.1511552000. The cubic root of 2265480 is about 131.3368948390.

The spelling of 2265480 in words is "two million, two hundred sixty-five thousand, four hundred eighty".