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10813870 = 251763611
BaseRepresentation
bin101001010000…
…000110101110
3202100101211201
4221100012232
510232020440
61023440114
7160626214
oct51200656
922311751
1010813870
116116691
12375603a
132318152
141616cb4
15e3919a
hexa501ae

10813870 has 16 divisors (see below), whose sum is σ = 20610288. Its totient is φ = 4071040.

The previous prime is 10813861. The next prime is 10813877. The reversal of 10813870 is 7831801.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10813877) 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, 31636 + ... + 31975.

It is an arithmetic number, because the mean of its divisors is an integer number (1288143).

Almost surely, 210813870 is an apocalyptic number.

10813870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10813870 is a deficient number, since it is larger than the sum of its proper divisors (9796418).

10813870 is a wasteful number, since it uses less digits than its factorization.

10813870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63635.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 10813870 is about 3288.4449212356. Note that the first 3 decimals coincide. The cubic root of 10813870 is about 221.1364744709.

The spelling of 10813870 in words is "ten million, eight hundred thirteen thousand, eight hundred seventy".

Divisors: 1 2 5 10 17 34 85 170 63611 127222 318055 636110 1081387 2162774 5406935 10813870