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2768137 = 29531801
BaseRepresentation
bin1010100011110100001001
312012122011121
422203310021
51202040022
6135155241
732346241
oct12436411
95178147
102768137
111620819
12b15b21
1375bc68
14520b21
1539a2c7
hex2a3d09

2768137 has 8 divisors (see below), whose sum is σ = 2919240. Its totient is φ = 2620800.

The previous prime is 2768123. The next prime is 2768177. The reversal of 2768137 is 7318672.

It can be written as a sum of positive squares in 4 ways, for example, as 259081 + 2509056 = 509^2 + 1584^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2768137 is a prime.

2768137 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2768177) 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, 637 + ... + 2437.

It is an arithmetic number, because the mean of its divisors is an integer number (364905).

22768137 is an apocalyptic number.

It is an amenable number.

2768137 is a deficient number, since it is larger than the sum of its proper divisors (151103).

2768137 is a wasteful number, since it uses less digits than its factorization.

2768137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883.

The product of its digits is 14112, while the sum is 34.

The square root of 2768137 is about 1663.7719194649. The cubic root of 2768137 is about 140.4092954401.

The spelling of 2768137 in words is "two million, seven hundred sixty-eight thousand, one hundred thirty-seven".

Divisors: 1 29 53 1537 1801 52229 95453 2768137