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10987438 = 271171347
BaseRepresentation
bin101001111010…
…011110101110
3202200012221011
4221322132232
510303044223
61031255434
7162251230
oct51723656
922605834
1010987438
116225030
12381a57a
132379157
141660250
15e7080d
hexa7a7ae

10987438 has 16 divisors (see below), whose sum is σ = 20548224. Its totient is φ = 4280760.

The previous prime is 10987411. The next prime is 10987439. The reversal of 10987438 is 83478901.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 10987438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10987439) 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, 35520 + ... + 35827.

It is an arithmetic number, because the mean of its divisors is an integer number (1284264).

Almost surely, 210987438 is an apocalyptic number.

10987438 is a deficient number, since it is larger than the sum of its proper divisors (9560786).

10987438 is a wasteful number, since it uses less digits than its factorization.

10987438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71367.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 10987438 is about 3314.7304566133. The cubic root of 10987438 is about 222.3133173006.

The spelling of 10987438 in words is "ten million, nine hundred eighty-seven thousand, four hundred thirty-eight".

Divisors: 1 2 7 11 14 22 77 154 71347 142694 499429 784817 998858 1569634 5493719 10987438