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1418336740 = 225257275941
BaseRepresentation
bin101010010001010…
…0001100111100100
310122211211222020101
41110202201213210
510401043233430
6352423513444
750101443352
oct12442414744
93584758211
101418336740
11668683427
12336bb8884
13197acbb12
14d65267d2
15847b7dca
hex548a19e4

1418336740 has 24 divisors (see below), whose sum is σ = 2990107512. Its totient is φ = 565125120.

The previous prime is 1418336737. The next prime is 1418336743. The reversal of 1418336740 is 476338141.

It is an interprime number because it is at equal distance from previous prime (1418336737) and next prime (1418336743).

It can be written as a sum of positive squares in 4 ways, for example, as 329204736 + 1089132004 = 18144^2 + 33002^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1418336740.

It is not an unprimeable number, because it can be changed into a prime (1418336743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132831 + ... + 143110.

It is an arithmetic number, because the mean of its divisors is an integer number (124587813).

Almost surely, 21418336740 is an apocalyptic number.

1418336740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1418336740 is an abundant number, since it is smaller than the sum of its proper divisors (1571770772).

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

1418336740 is a wasteful number, since it uses less digits than its factorization.

1418336740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276207 (or 276205 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 1418336740 is about 37660.8117278425. The cubic root of 1418336740 is about 1123.5518459669.

The spelling of 1418336740 in words is "one billion, four hundred eighteen million, three hundred thirty-six thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 257 514 1028 1285 2570 5140 275941 551882 1103764 1379705 2759410 5518820 70916837 141833674 283667348 354584185 709168370 1418336740