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10306990 = 2523411093
BaseRepresentation
bin100111010100…
…010110101110
3201101122112101
4213110112232
510114310430
61004525314
7153415351
oct47242656
921348471
1010306990
1158aa881
12355083a
13219b515
141524298
15d88dca
hex9d45ae

10306990 has 32 divisors (see below), whose sum is σ = 19849536. Its totient is φ = 3843840.

The previous prime is 10306927. The next prime is 10306991. The reversal of 10306990 is 9960301.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10306991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8884 + ... + 9976.

It is an arithmetic number, because the mean of its divisors is an integer number (620298).

Almost surely, 210306990 is an apocalyptic number.

10306990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10306990 is a deficient number, since it is larger than the sum of its proper divisors (9542546).

10306990 is a wasteful number, since it uses less digits than its factorization.

10306990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 10306990 is about 3210.4501242038. The cubic root of 10306990 is about 217.6259190714.

The spelling of 10306990 in words is "ten million, three hundred six thousand, nine hundred ninety".

Divisors: 1 2 5 10 23 41 46 82 115 205 230 410 943 1093 1886 2186 4715 5465 9430 10930 25139 44813 50278 89626 125695 224065 251390 448130 1030699 2061398 5153495 10306990