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2291412 = 223257743
BaseRepresentation
bin1000101111011011010100
311022102020010
420233123110
51041311122
6121040220
725322334
oct10573324
94272203
102291412
111325632
12926070
13622c86
144390c4
15303e0c
hex22f6d4

2291412 has 24 divisors (see below), whose sum is σ = 5374656. Its totient is φ = 759808.

The previous prime is 2291389. The next prime is 2291417. The reversal of 2291412 is 2141922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2291417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2713 + ... + 3455.

It is an arithmetic number, because the mean of its divisors is an integer number (223944).

22291412 is an apocalyptic number.

It is an amenable number.

2291412 is an abundant number, since it is smaller than the sum of its proper divisors (3083244).

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

2291412 is a wasteful number, since it uses less digits than its factorization.

2291412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007 (or 1005 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 2291412 is about 1513.7410610801. The cubic root of 2291412 is about 131.8361143333.

The spelling of 2291412 in words is "two million, two hundred ninety-one thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 257 514 743 771 1028 1486 1542 2229 2972 3084 4458 8916 190951 381902 572853 763804 1145706 2291412