Search a number
-
+
1313033204 = 22728298081
BaseRepresentation
bin100111001000011…
…0100101111110100
310101111200222221102
41032100310233310
510142114030304
6334142505232
744352412100
oct11620645764
93344628842
101313033204
1161419a30a
12307895218
1317c04c332
14c6554900
157a416d1e
hex4e434bf4

1313033204 has 36 divisors (see below), whose sum is σ = 2676515940. Its totient is φ = 561980160.

The previous prime is 1313033153. The next prime is 1313033207. The reversal of 1313033204 is 4023303131.

It can be written as a sum of positive squares in 2 ways, for example, as 600250000 + 712783204 = 24500^2 + 26698^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313033207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158444 + ... + 166524.

It is an arithmetic number, because the mean of its divisors is an integer number (74347665).

Almost surely, 21313033204 is an apocalyptic number.

1313033204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1313033204 is an abundant number, since it is smaller than the sum of its proper divisors (1363482736).

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

1313033204 is a wasteful number, since it uses less digits than its factorization.

1313033204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8928 (or 8919 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1313033204 is about 36235.8000325645. The cubic root of 1313033204 is about 1095.0280301131.

Adding to 1313033204 its reverse (4023303131), we get a palindrome (5336336335).

The spelling of 1313033204 in words is "one billion, three hundred thirteen million, thirty-three thousand, two hundred four".

Divisors: 1 2 4 7 14 28 49 98 196 829 1658 3316 5803 8081 11606 16162 23212 32324 40621 56567 81242 113134 162484 226268 395969 791938 1583876 6699149 13398298 26796596 46894043 93788086 187576172 328258301 656516602 1313033204