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10996391 = 71570913
BaseRepresentation
bin101001111100…
…101010100111
3202200200012202
4221330222213
510303341031
61031405115
7162316310
oct51745247
922620182
1010996391
11623082a
12382379b
132380253
141663607
15e732cb
hexa7caa7

10996391 has 4 divisors (see below), whose sum is σ = 12567312. Its totient is φ = 9425472.

The previous prime is 10996379. The next prime is 10996393. The reversal of 10996391 is 19369901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19369901 = 67289103.

It is a de Polignac number, because none of the positive numbers 2k-10996391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10996393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785450 + ... + 785463.

It is an arithmetic number, because the mean of its divisors is an integer number (3141828).

Almost surely, 210996391 is an apocalyptic number.

10996391 is a deficient number, since it is larger than the sum of its proper divisors (1570921).

10996391 is an equidigital number, since it uses as much as digits as its factorization.

10996391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570920.

The product of its (nonzero) digits is 13122, while the sum is 38.

The square root of 10996391 is about 3316.0806685001. The cubic root of 10996391 is about 222.3736841415.

The spelling of 10996391 in words is "ten million, nine hundred ninety-six thousand, three hundred ninety-one".

Divisors: 1 7 1570913 10996391