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11922973 = 291373001
BaseRepresentation
bin101101011110…
…111000011101
3211102202020121
4231132320131
511023013343
61103314541
7203225566
oct55367035
924382217
1011922973
1168039a7
123baba51
132615c1a
14182516d
1510a7aed
hexb5ee1d

11922973 has 8 divisors (see below), whose sum is σ = 12428280. Its totient is φ = 11424000.

The previous prime is 11922943. The next prime is 11922979. The reversal of 11922973 is 37922911.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2424249 + 9498724 = 1557^2 + 3082^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11922973 - 213 = 11914781 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 (11922979) 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, 2473 + ... + 5473.

It is an arithmetic number, because the mean of its divisors is an integer number (1553535).

Almost surely, 211922973 is an apocalyptic number.

It is an amenable number.

11922973 is a deficient number, since it is larger than the sum of its proper divisors (505307).

11922973 is a wasteful number, since it uses less digits than its factorization.

11922973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3167.

The product of its digits is 6804, while the sum is 34.

The square root of 11922973 is about 3452.9658266482. The cubic root of 11922973 is about 228.4519416221.

The spelling of 11922973 in words is "eleven million, nine hundred twenty-two thousand, nine hundred seventy-three".

Divisors: 1 29 137 3001 3973 87029 411137 11922973