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10886421 = 371339877
BaseRepresentation
bin101001100001…
…110100010101
3202111002100210
4221201310111
510241331141
61025200033
7161350560
oct51416425
922432323
1010886421
116166147
123790019
132342190
1416354d7
15e50916
hexa61d15

10886421 has 16 divisors (see below), whose sum is σ = 17865344. Its totient is φ = 5742144.

The previous prime is 10886419. The next prime is 10886441. The reversal of 10886421 is 12468801.

It is not a de Polignac number, because 10886421 - 21 = 10886419 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10886401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19666 + ... + 20211.

It is an arithmetic number, because the mean of its divisors is an integer number (1116584).

Almost surely, 210886421 is an apocalyptic number.

It is an amenable number.

10886421 is a deficient number, since it is larger than the sum of its proper divisors (6978923).

10886421 is a wasteful number, since it uses less digits than its factorization.

10886421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39900.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 10886421 is about 3299.4576827109. The cubic root of 10886421 is about 221.6299125625.

It can be divided in two parts, 108864 and 21, that multiplied together give a square (2286144 = 15122).

The spelling of 10886421 in words is "ten million, eight hundred eighty-six thousand, four hundred twenty-one".

Divisors: 1 3 7 13 21 39 91 273 39877 119631 279139 518401 837417 1555203 3628807 10886421