Search a number
-
+
1344507880 = 23533612697
BaseRepresentation
bin101000000100011…
…1000111111101000
310110200221002002011
41100020320333220
510223143223010
6341225245304
745214062022
oct12010707750
93420832064
101344507880
1162aa37741
12316333834
1318571c5c1
14ca7c9012
157d082a8a
hex50238fe8

1344507880 has 16 divisors (see below), whose sum is σ = 3025142820. Its totient is φ = 537803136.

The previous prime is 1344507877. The next prime is 1344507929. The reversal of 1344507880 is 887054431.

It can be written as a sum of positive squares in 2 ways, for example, as 1332688036 + 11819844 = 36506^2 + 3438^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 33612697 = 1344507880 / (1 + 3 + 4 + 4 + 5 + 0 + 7 + 8 + 8 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16806309 + ... + 16806388.

Almost surely, 21344507880 is an apocalyptic number.

1344507880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344507880 is an abundant number, since it is smaller than the sum of its proper divisors (1680634940).

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

1344507880 is a wasteful number, since it uses less digits than its factorization.

1344507880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33612708 (or 33612704 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 1344507880 is about 36667.5316867662. The cubic root of 1344507880 is about 1103.7086612220.

The spelling of 1344507880 in words is "one billion, three hundred forty-four million, five hundred seven thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 33612697 67225394 134450788 168063485 268901576 336126970 672253940 1344507880