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1405014049 = 13710255577
BaseRepresentation
bin101001110111110…
…1101000000100001
310121220210002221101
41103233231000201
510334140422144
6351230154401
746550264605
oct12357550041
93556702841
101405014049
1166110393a
12332652a01
13195115a7a
14d4859505
15835356d4
hex53bed021

1405014049 has 4 divisors (see below), whose sum is σ = 1415269764. Its totient is φ = 1394758336.

The previous prime is 1405014043. The next prime is 1405014073. The reversal of 1405014049 is 9404105041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 980942400 + 424071649 = 31320^2 + 20593^2 .

It is a cyclic number.

It is not a de Polignac number, because 1405014049 - 27 = 1405013921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1405014043) 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, 5127652 + ... + 5127925.

It is an arithmetic number, because the mean of its divisors is an integer number (353817441).

Almost surely, 21405014049 is an apocalyptic number.

It is an amenable number.

1405014049 is a deficient number, since it is larger than the sum of its proper divisors (10255715).

1405014049 is a wasteful number, since it uses less digits than its factorization.

1405014049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10255714.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1405014049 is about 37483.5170308230. The cubic root of 1405014049 is about 1120.0228654452.

The spelling of 1405014049 in words is "one billion, four hundred five million, fourteen thousand, forty-nine".

Divisors: 1 137 10255577 1405014049