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2272712 = 23132412
BaseRepresentation
bin1000101010110111001000
311021110120112
420222313020
51040211322
6120413452
725213661
oct10526710
94243515
102272712
111312582
12917288
13617600
14432368
152ed5e2
hex22adc8

2272712 has 36 divisors (see below), whose sum is σ = 4729635. Its totient is φ = 1023360.

The previous prime is 2272691. The next prime is 2272727. The reversal of 2272712 is 2172722.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 64516 + 2208196 = 254^2 + 1486^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=1066.

It is a Duffinian number.

Its product of digits (784) is a multiple of the sum of its prime divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 55412 + ... + 55452.

22272712 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 2272712

2272712 is an abundant number, since it is smaller than the sum of its proper divisors (2456923).

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

2272712 is a wasteful number, since it uses less digits than its factorization.

2272712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 56 counting only the distinct ones).

The product of its digits is 784, while the sum is 23.

The square root of 2272712 is about 1507.5516574897. The cubic root of 2272712 is about 131.4765002078.

The spelling of 2272712 in words is "two million, two hundred seventy-two thousand, seven hundred twelve".

Divisors: 1 2 4 8 13 26 41 52 82 104 164 169 328 338 533 676 1066 1352 1681 2132 3362 4264 6724 6929 13448 13858 21853 27716 43706 55432 87412 174824 284089 568178 1136356 2272712