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11101472 = 25192312
BaseRepresentation
bin101010010110…
…010100100000
3202220000100122
4222112110200
510320221342
61033535412
7163234544
oct52262440
922800318
1011101472
1162a2778
123874568
1323b9025
14168da24
15e944d2
hexa96520

11101472 has 54 divisors (see below), whose sum is σ = 23834979. Its totient is φ = 5088960.

The previous prime is 11101471. The next prime is 11101501. The reversal of 11101472 is 27410111.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 5550736 + 5550736 = 2356^2 + 2356^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=2356.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 11101472.

It is not an unprimeable number, because it can be changed into a prime (11101471) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 358097 + ... + 358127.

Almost surely, 211101472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11101472

11101472 is an abundant number, since it is smaller than the sum of its proper divisors (12733507).

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

11101472 is an equidigital number, since it uses as much as digits as its factorization.

11101472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 11101472 is about 3331.8871529510. The cubic root of 11101472 is about 223.0797706396.

Adding to 11101472 its reverse (27410111), we get a palindrome (38511583).

The spelling of 11101472 in words is "eleven million, one hundred one thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 19 31 32 38 62 76 124 152 248 304 361 496 589 608 722 961 992 1178 1444 1922 2356 2888 3844 4712 5776 7688 9424 11191 11552 15376 18259 18848 22382 30752 36518 44764 73036 89528 146072 179056 292144 346921 358112 584288 693842 1387684 2775368 5550736 11101472