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2663297 = 721337113
BaseRepresentation
bin1010001010001110000001
312000022100122
422022032001
51140211142
6133030025
731431500
oct12121601
95008318
102663297
111559a7a
12a85315
13723320
144d4837
153791d2
hex28a381

2663297 has 24 divisors (see below), whose sum is σ = 3456936. Its totient is φ = 2032128.

The previous prime is 2663293. The next prime is 2663299. The reversal of 2663297 is 7923662.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25921 + 2637376 = 161^2 + 1624^2 .

It is not a de Polignac number, because 2663297 - 22 = 2663293 is a prime.

It is a d-powerful number, because it can be written as 215 + 63 + 64 + 312 + 221 + 92 + 73 .

It is not an unprimeable number, because it can be changed into a prime (2663293) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23513 + ... + 23625.

It is an arithmetic number, because the mean of its divisors is an integer number (144039).

22663297 is an apocalyptic number.

It is an amenable number.

2663297 is a deficient number, since it is larger than the sum of its proper divisors (793639).

2663297 is a wasteful number, since it uses less digits than its factorization.

2663297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 170 counting only the distinct ones).

The product of its digits is 27216, while the sum is 35.

The square root of 2663297 is about 1631.9610902224. The cubic root of 2663297 is about 138.6138203407.

The spelling of 2663297 in words is "two million, six hundred sixty-three thousand, two hundred ninety-seven".

Divisors: 1 7 13 37 49 91 113 259 481 637 791 1469 1813 3367 4181 5537 10283 23569 29267 54353 71981 204869 380471 2663297