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11998049 = 713712511
BaseRepresentation
bin101101110001…
…001101100001
3211120120020012
4231301031201
511032414144
61105054305
7203660510
oct55611541
924516205
1011998049
116855348
124027395
13264114b
141844677
1510bee9e
hexb71361

11998049 has 8 divisors (see below), whose sum is σ = 13813248. Its totient is φ = 10208160.

The previous prime is 11998043. The next prime is 11998067. The reversal of 11998049 is 94089911.

11998049 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 11998049 - 24 = 11998033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11997997 and 11998015.

It is not an unprimeable number, because it can be changed into a prime (11998043) 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, 5297 + ... + 7214.

It is an arithmetic number, because the mean of its divisors is an integer number (1726656).

Almost surely, 211998049 is an apocalyptic number.

It is an amenable number.

11998049 is a deficient number, since it is larger than the sum of its proper divisors (1815199).

11998049 is a wasteful number, since it uses less digits than its factorization.

11998049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12655.

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 11998049 is about 3463.8200010971. The cubic root of 11998049 is about 228.9304404077.

The spelling of 11998049 in words is "eleven million, nine hundred ninety-eight thousand, forty-nine".

Divisors: 1 7 137 959 12511 87577 1714007 11998049