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10388706 = 231991129
BaseRepresentation
bin100111101000…
…010011100010
3201112210121220
4213220103202
510124414311
61010355510
7154205526
oct47502342
921483556
1010388706
115956209
12358bb96
1321c9783
141545d86
15da3206
hex9e84e2

10388706 has 16 divisors (see below), whose sum is σ = 21871200. Its totient is φ = 3280608.

The previous prime is 10388701. The next prime is 10388731. The reversal of 10388706 is 60788301.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10388701) 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 7 ways as a sum of consecutive naturals, for example, 45451 + ... + 45678.

It is an arithmetic number, because the mean of its divisors is an integer number (1366950).

Almost surely, 210388706 is an apocalyptic number.

10388706 is the 2039-th centered pentagonal number.

10388706 is an abundant number, since it is smaller than the sum of its proper divisors (11482494).

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

10388706 is a wasteful number, since it uses less digits than its factorization.

10388706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91153.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 10388706 is about 3223.1515632995. The cubic root of 10388706 is about 218.1995339466.

The spelling of 10388706 in words is "ten million, three hundred eighty-eight thousand, seven hundred six".

Divisors: 1 2 3 6 19 38 57 114 91129 182258 273387 546774 1731451 3462902 5194353 10388706