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2288072 = 23286009
BaseRepresentation
bin1000101110100111001000
311022020122102
420232213020
51041204242
6121012532
725306523
oct10564710
94266572
102288072
111323076
12924148
136215b7
14437bba
15302e32
hex22e9c8

2288072 has 8 divisors (see below), whose sum is σ = 4290150. Its totient is φ = 1144032.

The previous prime is 2288059. The next prime is 2288089. The reversal of 2288072 is 2708822.

It can be written as a sum of positive squares in only one way, i.e., 1503076 + 784996 = 1226^2 + 886^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142997 + ... + 143012.

22288072 is an apocalyptic number.

It is an amenable number.

2288072 is a deficient number, since it is larger than the sum of its proper divisors (2002078).

2288072 is a wasteful number, since it uses less digits than its factorization.

2288072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286015 (or 286011 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 2288072 is about 1512.6374317727. The cubic root of 2288072 is about 131.7720276856.

The spelling of 2288072 in words is "two million, two hundred eighty-eight thousand, seventy-two".

Divisors: 1 2 4 8 286009 572018 1144036 2288072