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2765242 = 21382621
BaseRepresentation
bin1010100011000110111010
312012111012101
422203012322
51201441432
6135134014
732334634
oct12430672
95174171
102765242
111619627
12b1430a
1375a84c
1451da54
153994e7
hex2a31ba

2765242 has 4 divisors (see below), whose sum is σ = 4147866. Its totient is φ = 1382620.

The previous prime is 2765239. The next prime is 2765251. The reversal of 2765242 is 2425672.

2765242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2692881 + 72361 = 1641^2 + 269^2 .

It is a d-powerful number, because it can be written as 27 + 7 + 6 + 57 + 219 + 48 + 221 .

It is a self number, because there is not a number n which added to its sum of digits gives 2765242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691309 + ... + 691312.

22765242 is an apocalyptic number.

2765242 is a deficient number, since it is larger than the sum of its proper divisors (1382624).

2765242 is a wasteful number, since it uses less digits than its factorization.

2765242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382623.

The product of its digits is 6720, while the sum is 28.

The square root of 2765242 is about 1662.9016807978. The cubic root of 2765242 is about 140.3603302940.

The spelling of 2765242 in words is "two million, seven hundred sixty-five thousand, two hundred forty-two".

Divisors: 1 2 1382621 2765242