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11197071 = 324328933
BaseRepresentation
bin101010101101…
…101010001111
3210001212111100
4222231222033
510331301241
61035554143
7164113344
oct52555217
923055440
1011197071
116358586
1238bb953
1324206b2
1416b67cb
15eb29b6
hexaada8f

11197071 has 12 divisors (see below), whose sum is σ = 16550248. Its totient is φ = 7290864.

The previous prime is 11197063. The next prime is 11197093. The reversal of 11197071 is 17079111.

It is not a de Polignac number, because 11197071 - 23 = 11197063 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 (11190071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14080 + ... + 14853.

Almost surely, 211197071 is an apocalyptic number.

11197071 is a deficient number, since it is larger than the sum of its proper divisors (5353177).

11197071 is a wasteful number, since it uses less digits than its factorization.

11197071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28982 (or 28979 counting only the distinct ones).

The product of its (nonzero) digits is 441, while the sum is 27.

The square root of 11197071 is about 3346.2024744477. The cubic root of 11197071 is about 223.7182829068.

The spelling of 11197071 in words is "eleven million, one hundred ninety-seven thousand, seventy-one".

Divisors: 1 3 9 43 129 387 28933 86799 260397 1244119 3732357 11197071