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2292768 = 253219419
BaseRepresentation
bin1000101111110000100000
311022111002100
420233300200
51041332033
6121050400
725326312
oct10576040
94274070
102292768
111326655
12926a00
1362378a
144397b2
15304513
hex22fc20

2292768 has 72 divisors (see below), whose sum is σ = 6879600. Its totient is φ = 722304.

The previous prime is 2292767. The next prime is 2292781. The reversal of 2292768 is 8672922.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 213 + 217 + 94 + 221 + 75 + 63 + 85 .

It is not an unprimeable number, because it can be changed into a prime (2292767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5263 + ... + 5681.

It is an arithmetic number, because the mean of its divisors is an integer number (95550).

22292768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2292768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3439800).

2292768 is an abundant number, since it is smaller than the sum of its proper divisors (4586832).

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

2292768 is a wasteful number, since it uses less digits than its factorization.

2292768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454 (or 443 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 2292768 is about 1514.1888917833. The cubic root of 2292768 is about 131.8621149709.

The spelling of 2292768 in words is "two million, two hundred ninety-two thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 72 76 96 114 144 152 171 228 288 304 342 419 456 608 684 838 912 1257 1368 1676 1824 2514 2736 3352 3771 5028 5472 6704 7542 7961 10056 13408 15084 15922 20112 23883 30168 31844 40224 47766 60336 63688 71649 95532 120672 127376 143298 191064 254752 286596 382128 573192 764256 1146384 2292768