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10312040 = 235713631
BaseRepresentation
bin100111010101…
…100101101000
3201101220110102
4213111211220
510114441130
61005004532
7153436154
oct47254550
921356412
1010312040
115903652
123553748
1321a08cb
141526064
15d8a645
hex9d5968

10312040 has 32 divisors (see below), whose sum is σ = 23535360. Its totient is φ = 4065600.

The previous prime is 10312039. The next prime is 10312069. The reversal of 10312040 is 4021301.

It is a happy number.

10312040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1025 + ... + 4655.

It is an arithmetic number, because the mean of its divisors is an integer number (735480).

Almost surely, 210312040 is an apocalyptic number.

10312040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10312040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11767680).

10312040 is an abundant number, since it is smaller than the sum of its proper divisors (13223320).

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

10312040 is a wasteful number, since it uses less digits than its factorization.

10312040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3713 (or 3709 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 10312040 is about 3211.2365219647. The cubic root of 10312040 is about 217.6614558431.

Adding to 10312040 its reverse (4021301), we get a palindrome (14333341).

The spelling of 10312040 in words is "ten million, three hundred twelve thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 71 142 284 355 568 710 1420 2840 3631 7262 14524 18155 29048 36310 72620 145240 257801 515602 1031204 1289005 2062408 2578010 5156020 10312040