Search a number
-
+
2283879 = 313157373
BaseRepresentation
bin1000101101100101100111
311022000220010
420231211213
51041041004
6120541303
725261353
oct10554547
94260803
102283879
11131aa04
12921833
1361c710
14436463
15301a89
hex22d967

2283879 has 16 divisors (see below), whose sum is σ = 3309152. Its totient is φ = 1392768.

The previous prime is 2283851. The next prime is 2283881. The reversal of 2283879 is 9783822.

It is not a de Polignac number, because 2283879 - 28 = 2283623 is a prime.

It is a super-2 number, since 2×22838792 = 10432206573282, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2283839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5937 + ... + 6309.

It is an arithmetic number, because the mean of its divisors is an integer number (206822).

22283879 is an apocalyptic number.

2283879 is a deficient number, since it is larger than the sum of its proper divisors (1025273).

2283879 is a wasteful number, since it uses less digits than its factorization.

2283879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546.

The product of its digits is 48384, while the sum is 39.

The square root of 2283879 is about 1511.2508064514. The cubic root of 2283879 is about 131.6914856452.

It can be divided in two parts, 2 and 283879, that added together give a triangular number (283881 = T753).

The spelling of 2283879 in words is "two million, two hundred eighty-three thousand, eight hundred seventy-nine".

Divisors: 1 3 13 39 157 373 471 1119 2041 4849 6123 14547 58561 175683 761293 2283879