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91053460 = 2254552673
BaseRepresentation
bin1010110110101…
…01110110010100
320100022222212101
411123111312110
5141302202320
613011331444
72153640661
oct533256624
9210288771
1091053460
11474408a3
12265b0b84
1315b305b4
14c142a68
157ed8c0a
hex56d5d94

91053460 has 12 divisors (see below), whose sum is σ = 191212308. Its totient is φ = 36421376.

The previous prime is 91053451. The next prime is 91053467. The reversal of 91053460 is 6435019.

It can be written as a sum of positive squares in 2 ways, for example, as 22924944 + 68128516 = 4788^2 + 8254^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91053467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2276317 + ... + 2276356.

It is an arithmetic number, because the mean of its divisors is an integer number (15934359).

Almost surely, 291053460 is an apocalyptic number.

It is an amenable number.

91053460 is an abundant number, since it is smaller than the sum of its proper divisors (100158848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91053460 is a wasteful number, since it uses less digits than its factorization.

91053460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4552682 (or 4552680 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 91053460 is about 9542.1936681247. The cubic root of 91053460 is about 449.8822078525.

Adding to 91053460 its reverse (6435019), we get a palindrome (97488479).

The spelling of 91053460 in words is "ninety-one million, fifty-three thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 4552673 9105346 18210692 22763365 45526730 91053460