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11963693 = 72244157
BaseRepresentation
bin101101101000…
…110100101101
3211111211002202
4231220310231
511030314233
61104231245
7203455400
oct55506455
924454082
1011963693
116831555
12400b525
13262b611
141835d37
1510b4be8
hexb68d2d

11963693 has 6 divisors (see below), whose sum is σ = 13917006. Its totient is φ = 10254552.

The previous prime is 11963687. The next prime is 11963701. The reversal of 11963693 is 39636911.

It can be written as a sum of positive squares in only one way, i.e., 11957764 + 5929 = 3458^2 + 77^2 .

It is not a de Polignac number, because 11963693 - 216 = 11898157 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 (11963663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122030 + ... + 122127.

It is an arithmetic number, because the mean of its divisors is an integer number (2319501).

Almost surely, 211963693 is an apocalyptic number.

It is an amenable number.

11963693 is a deficient number, since it is larger than the sum of its proper divisors (1953313).

11963693 is an equidigital number, since it uses as much as digits as its factorization.

11963693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244171 (or 244164 counting only the distinct ones).

The product of its digits is 26244, while the sum is 38.

The square root of 11963693 is about 3458.8571812088. The cubic root of 11963693 is about 228.7117200320.

The spelling of 11963693 in words is "eleven million, nine hundred sixty-three thousand, six hundred ninety-three".

Divisors: 1 7 49 244157 1709099 11963693