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2297138 = 21961991
BaseRepresentation
bin1000110000110100110010
311022201002012
420300310302
51042002023
6121122522
725345124
oct10606462
94281065
102297138
111329968
12929442
1362576c
1443b214
15305978
hex230d32

2297138 has 16 divisors (see below), whose sum is σ = 3690240. Its totient is φ = 1069200.

The previous prime is 2297137. The next prime is 2297149. The reversal of 2297138 is 8317922.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2297137) 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, 1823 + ... + 2813.

It is an arithmetic number, because the mean of its divisors is an integer number (230640).

22297138 is an apocalyptic number.

2297138 is a deficient number, since it is larger than the sum of its proper divisors (1393102).

2297138 is a wasteful number, since it uses less digits than its factorization.

2297138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073.

The product of its digits is 6048, while the sum is 32.

The square root of 2297138 is about 1515.6312216367. The cubic root of 2297138 is about 131.9458378956.

The spelling of 2297138 in words is "two million, two hundred ninety-seven thousand, one hundred thirty-eight".

Divisors: 1 2 19 38 61 122 991 1159 1982 2318 18829 37658 60451 120902 1148569 2297138