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2308930 = 251317761
BaseRepresentation
bin1000110011101101000010
311100022020221
420303231002
51042341210
6121253254
725424401
oct10635502
94308227
102308930
111337808
1293422a
1362ac40
14441638
153091da
hex233b42

2308930 has 16 divisors (see below), whose sum is σ = 4476024. Its totient is φ = 852480.

The previous prime is 2308919. The next prime is 2308931. The reversal of 2308930 is 398032.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1274641 + 1034289 = 1129^2 + 1017^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2308895 and 2308904.

It is not an unprimeable number, because it can be changed into a prime (2308931) 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, 8751 + ... + 9010.

22308930 is an apocalyptic number.

2308930 is a deficient number, since it is larger than the sum of its proper divisors (2167094).

2308930 is a wasteful number, since it uses less digits than its factorization.

2308930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17781.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2308930 is about 1519.5163704284. The cubic root of 2308930 is about 132.1712271343.

The spelling of 2308930 in words is "two million, three hundred eight thousand, nine hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 17761 35522 88805 177610 230893 461786 1154465 2308930