Search a number
-
+
1248491104 = 2575573621
BaseRepresentation
bin100101001101010…
…0111011001100000
310020000020220211021
41022122213121200
510024103203404
6323515255224
742636666520
oct11232473140
93200226737
101248491104
11590816933
122aa14a514
1316b871b43
14bbb53680
1574918454
hex4a6a7660

1248491104 has 24 divisors (see below), whose sum is σ = 2809105488. Its totient is φ = 535067520.

The previous prime is 1248491099. The next prime is 1248491107. The reversal of 1248491104 is 4011948421.

It is a self number, because there is not a number n which added to its sum of digits gives 1248491104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248491107) 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, 2786587 + ... + 2787034.

It is an arithmetic number, because the mean of its divisors is an integer number (117046062).

Almost surely, 21248491104 is an apocalyptic number.

1248491104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1248491104 is an abundant number, since it is smaller than the sum of its proper divisors (1560614384).

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

1248491104 is an equidigital number, since it uses as much as digits as its factorization.

1248491104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5573638 (or 5573630 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 1248491104 is about 35333.9936038937. The cubic root of 1248491104 is about 1076.7837281089.

The spelling of 1248491104 in words is "one billion, two hundred forty-eight million, four hundred ninety-one thousand, one hundred four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 5573621 11147242 22294484 39015347 44588968 78030694 89177936 156061388 178355872 312122776 624245552 1248491104