Search a number
-
+
2799261 = 322313523
BaseRepresentation
bin1010101011011010011101
312021012212100
422223122131
51204034021
6135555313
732536053
oct12533235
95235770
102799261
111642143
12b2bb39
1377018a
1452c1d3
153a4626
hex2ab69d

2799261 has 12 divisors (see below), whose sum is σ = 4219488. Its totient is φ = 1784904.

The previous prime is 2799259. The next prime is 2799281. The reversal of 2799261 is 1629972.

It is not a de Polignac number, because 2799261 - 21 = 2799259 is a prime.

It is a super-2 number, since 2×27992612 = 15671724292242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2799211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6555 + ... + 6968.

It is an arithmetic number, because the mean of its divisors is an integer number (351624).

22799261 is an apocalyptic number.

It is an amenable number.

2799261 is a deficient number, since it is larger than the sum of its proper divisors (1420227).

2799261 is a wasteful number, since it uses less digits than its factorization.

2799261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13552 (or 13549 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 2799261 is about 1673.0992200106. The cubic root of 2799261 is about 140.9335736603.

The spelling of 2799261 in words is "two million, seven hundred ninety-nine thousand, two hundred sixty-one".

Divisors: 1 3 9 23 69 207 13523 40569 121707 311029 933087 2799261