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10312299 = 33381937
BaseRepresentation
bin100111010101…
…101001101011
3201101220211000
4213111221223
510114443144
61005010043
7153440004
oct47255153
921356730
1010312299
115903868
123553923
1321a0a6a
1415261ab
15d8a769
hex9d5a6b

10312299 has 8 divisors (see below), whose sum is σ = 15277520. Its totient is φ = 6874848.

The previous prime is 10312283. The next prime is 10312301. The reversal of 10312299 is 99221301.

It is not a de Polignac number, because 10312299 - 24 = 10312283 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 381937 = 10312299 / (1 + 0 + 3 + 1 + 2 + 2 + 9 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10312229) 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, 190942 + ... + 190995.

It is an arithmetic number, because the mean of its divisors is an integer number (1909690).

Almost surely, 210312299 is an apocalyptic number.

10312299 is a deficient number, since it is larger than the sum of its proper divisors (4965221).

10312299 is an equidigital number, since it uses as much as digits as its factorization.

10312299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381946 (or 381940 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 10312299 is about 3211.2768488562. The cubic root of 10312299 is about 217.6632781092.

The spelling of 10312299 in words is "ten million, three hundred twelve thousand, two hundred ninety-nine".

Divisors: 1 3 9 27 381937 1145811 3437433 10312299