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11275797 = 3131915217
BaseRepresentation
bin101011000000…
…111000010101
3210012212111010
4223000320111
510341311142
61041402433
7164562021
oct53007025
923185433
1011275797
116401745
123939419
13244a490
1416d7381
15ecae9c
hexac0e15

11275797 has 16 divisors (see below), whose sum is σ = 17044160. Its totient is φ = 6573312.

The previous prime is 11275793. The next prime is 11275801. The reversal of 11275797 is 79757211.

It is an interprime number because it is at equal distance from previous prime (11275793) and next prime (11275801).

It is not a de Polignac number, because 11275797 - 22 = 11275793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11275793) 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, 6868 + ... + 8349.

It is an arithmetic number, because the mean of its divisors is an integer number (1065260).

Almost surely, 211275797 is an apocalyptic number.

It is an amenable number.

11275797 is a deficient number, since it is larger than the sum of its proper divisors (5768363).

11275797 is a wasteful number, since it uses less digits than its factorization.

11275797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15252.

The product of its digits is 30870, while the sum is 39.

The square root of 11275797 is about 3357.9453539330. The cubic root of 11275797 is about 224.2413759144.

The spelling of 11275797 in words is "eleven million, two hundred seventy-five thousand, seven hundred ninety-seven".

Divisors: 1 3 13 19 39 57 247 741 15217 45651 197821 289123 593463 867369 3758599 11275797