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11470431 = 37546211
BaseRepresentation
bin101011110000…
…011001011111
3210120202110210
4223300121133
510414023211
61045503503
7166332330
oct53603137
923522423
1011470431
1165249a5
123a11b93
1324b7c4b
141748287
1510189a6
hexaf065f

11470431 has 8 divisors (see below), whose sum is σ = 17478784. Its totient is φ = 6554520.

The previous prime is 11470421. The next prime is 11470453. The reversal of 11470431 is 13407411.

11470431 is digitally balanced in base 3, because in such base 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 not a de Polignac number, because 11470431 - 29 = 11469919 is a prime.

It is a super-2 number, since 2×114704312 = 263141574651522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 546211 = 11470431 / (1 + 1 + 4 + 7 + 0 + 4 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11470398 and 11470407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11470421) 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, 273085 + ... + 273126.

It is an arithmetic number, because the mean of its divisors is an integer number (2184848).

Almost surely, 211470431 is an apocalyptic number.

11470431 is a deficient number, since it is larger than the sum of its proper divisors (6008353).

11470431 is an equidigital number, since it uses as much as digits as its factorization.

11470431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546221.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 11470431 is about 3386.8024743111. The cubic root of 11470431 is about 225.5242491577.

Adding to 11470431 its reverse (13407411), we get a palindrome (24877842).

The spelling of 11470431 in words is "eleven million, four hundred seventy thousand, four hundred thirty-one".

Divisors: 1 3 7 21 546211 1638633 3823477 11470431