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10309494 = 2313132173
BaseRepresentation
bin100111010100…
…111101110110
3201101202222010
4213110331312
510114400434
61004545050
7153425556
oct47247566
921352863
1010309494
115901748
123552186
13219c6c0
141525166
15d899e9
hex9d4f76

10309494 has 16 divisors (see below), whose sum is σ = 22205232. Its totient is φ = 3172128.

The previous prime is 10309487. The next prime is 10309511. The reversal of 10309494 is 49490301.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66009 + ... + 66164.

It is an arithmetic number, because the mean of its divisors is an integer number (1387827).

Almost surely, 210309494 is an apocalyptic number.

10309494 is an abundant number, since it is smaller than the sum of its proper divisors (11895738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10309494 is a wasteful number, since it uses less digits than its factorization.

10309494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132191.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 10309494 is about 3210.8400769892. The cubic root of 10309494 is about 217.6435411311.

Adding to 10309494 its reverse (49490301), we get a palindrome (59799795).

The spelling of 10309494 in words is "ten million, three hundred nine thousand, four hundred ninety-four".

Divisors: 1 2 3 6 13 26 39 78 132173 264346 396519 793038 1718249 3436498 5154747 10309494