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2276540 = 2257223101
BaseRepresentation
bin1000101011110010111100
311021122211022
420223302330
51040322130
6120443312
725231100
oct10536274
94248738
102276540
111315442
12919538
13619286
14433900
152ee7e5
hex22bcbc

2276540 has 72 divisors (see below), whose sum is σ = 5860512. Its totient is φ = 739200.

The previous prime is 2276537. The next prime is 2276551. The reversal of 2276540 is 456722.

2276540 = T280 + T281 + ... + T328.

2276540 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

2276540 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22490 + ... + 22590.

It is an arithmetic number, because the mean of its divisors is an integer number (81396).

22276540 is an apocalyptic number.

2276540 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 2276540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2930256).

2276540 is an abundant number, since it is smaller than the sum of its proper divisors (3583972).

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

2276540 is a wasteful number, since it uses less digits than its factorization.

2276540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 2276540 is about 1508.8207315649. The cubic root of 2276540 is about 131.5502754649.

The spelling of 2276540 in words is "two million, two hundred seventy-six thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 23 28 35 46 49 70 92 98 101 115 140 161 196 202 230 245 322 404 460 490 505 644 707 805 980 1010 1127 1414 1610 2020 2254 2323 2828 3220 3535 4508 4646 4949 5635 7070 9292 9898 11270 11615 14140 16261 19796 22540 23230 24745 32522 46460 49490 65044 81305 98980 113827 162610 227654 325220 455308 569135 1138270 2276540