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2799138 = 232916087
BaseRepresentation
bin1010101011011000100010
312021012200210
422223120202
51204033023
6135554550
732535516
oct12533042
95235623
102799138
111642041
12b2ba56
137700c4
1452c146
153a4593
hex2ab622

2799138 has 16 divisors (see below), whose sum is σ = 5791680. Its totient is φ = 900816.

The previous prime is 2799133. The next prime is 2799143. The reversal of 2799138 is 8319972.

It is an interprime number because it is at equal distance from previous prime (2799133) and next prime (2799143).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2799096 and 2799105.

It is not an unprimeable number, because it can be changed into a prime (2799131) 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, 7870 + ... + 8217.

It is an arithmetic number, because the mean of its divisors is an integer number (361980).

22799138 is an apocalyptic number.

2799138 is an abundant number, since it is smaller than the sum of its proper divisors (2992542).

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

2799138 is a wasteful number, since it uses less digits than its factorization.

2799138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16121.

The product of its digits is 27216, while the sum is 39.

The square root of 2799138 is about 1673.0624614760. The cubic root of 2799138 is about 140.9315094151.

The spelling of 2799138 in words is "two million, seven hundred ninety-nine thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 29 58 87 174 16087 32174 48261 96522 466523 933046 1399569 2799138