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11169901 = 1729139163
BaseRepresentation
bin101010100111…
…000001101101
3210000111020001
4222213001231
510324414101
61035224301
7163641211
oct52470155
923014201
1011169901
11633a126
1238a8091
132411212
1416aa941
15ea9901
hexaa706d

11169901 has 16 divisors (see below), whose sum is σ = 12398400. Its totient is φ = 10015488.

The previous prime is 11169887. The next prime is 11169911. The reversal of 11169901 is 10996111.

11169901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

11169901 is a nontrivial binomial coefficient, being equal to C(4727, 2).

It is a cyclic number.

It is not a de Polignac number, because 11169901 - 25 = 11169869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11169901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11169911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68446 + ... + 68608.

It is an arithmetic number, because the mean of its divisors is an integer number (774900).

Almost surely, 211169901 is an apocalyptic number.

11169901 is the 4726-th triangular number.

11169901 is the 1576-th centered nonagonal number.

It is an amenable number.

11169901 is a deficient number, since it is larger than the sum of its proper divisors (1228499).

11169901 is a wasteful number, since it uses less digits than its factorization.

11169901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348.

The product of its (nonzero) digits is 486, while the sum is 28.

The square root of 11169901 is about 3342.1401825776. The cubic root of 11169901 is about 223.5371834963.

The spelling of 11169901 in words is "eleven million, one hundred sixty-nine thousand, nine hundred one".

Divisors: 1 17 29 139 163 493 2363 2771 4031 4727 22657 68527 80359 385169 657053 11169901