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10716381 = 341310177
BaseRepresentation
bin101000111000…
…010011011101
3202011110010000
4220320103131
510220411011
61021404513
7160042044
oct50702335
922143100
1010716381
11605a415
123709739
1322b2970
1415cd55b
15e1a356
hexa384dd

10716381 has 20 divisors (see below), whose sum is σ = 17241532. Its totient is φ = 6594048.

The previous prime is 10716373. The next prime is 10716389. The reversal of 10716381 is 18361701.

10716381 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10716373) and next prime (10716389).

It can be written as a sum of positive squares in 2 ways, for example, as 4137156 + 6579225 = 2034^2 + 2565^2 .

It is not a de Polignac number, because 10716381 - 23 = 10716373 is a prime.

It is a super-2 number, since 2×107163812 = 229681643474322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10716389) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4036 + ... + 6141.

Almost surely, 210716381 is an apocalyptic number.

It is an amenable number.

10716381 is a deficient number, since it is larger than the sum of its proper divisors (6525151).

10716381 is a wasteful number, since it uses less digits than its factorization.

10716381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10202 (or 10193 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 10716381 is about 3273.5883980733. The cubic root of 10716381 is about 220.4699389812.

The spelling of 10716381 in words is "ten million, seven hundred sixteen thousand, three hundred eighty-one".

Divisors: 1 3 9 13 27 39 81 117 351 1053 10177 30531 91593 132301 274779 396903 824337 1190709 3572127 10716381