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11261397 = 372632039
BaseRepresentation
bin101010111101…
…010111010101
3210012010201210
4222331113111
510340331042
61041212033
7164502030
oct52752725
923163653
1011261397
1163a1944
123931019
132443a64
1416d2017
15ec6a9c
hexabd5d5

11261397 has 16 divisors (see below), whose sum is σ = 17233920. Its totient is φ = 6407472.

The previous prime is 11261359. The next prime is 11261407. The reversal of 11261397 is 79316211.

It is not a de Polignac number, because 11261397 - 26 = 11261333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11261317) 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, 4504 + ... + 6542.

It is an arithmetic number, because the mean of its divisors is an integer number (1077120).

Almost surely, 211261397 is an apocalyptic number.

It is an amenable number.

11261397 is a deficient number, since it is larger than the sum of its proper divisors (5972523).

11261397 is a wasteful number, since it uses less digits than its factorization.

11261397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312.

The product of its digits is 2268, while the sum is 30.

The square root of 11261397 is about 3355.8005006257. The cubic root of 11261397 is about 224.1458778201.

The spelling of 11261397 in words is "eleven million, two hundred sixty-one thousand, three hundred ninety-seven".

Divisors: 1 3 7 21 263 789 1841 2039 5523 6117 14273 42819 536257 1608771 3753799 11261397