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1405069234 = 231216110487
BaseRepresentation
bin101001110111111…
…1010011110110010
310121220212220122021
41103233322132302
510334144203414
6351231302054
746550614522
oct12357723662
93556786567
101405069234
11661141348
1233267a92a
13195134c1a
14d4871682
1583546c24
hex53bfa7b2

1405069234 has 16 divisors (see below), whose sum is σ = 2176805376. Its totient is φ = 679492800.

The previous prime is 1405069231. The next prime is 1405069243. The reversal of 1405069234 is 4329605041.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1405069234.

It is not an unprimeable number, because it can be changed into a prime (1405069231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128739 + ... + 139225.

It is an arithmetic number, because the mean of its divisors is an integer number (136050336).

Almost surely, 21405069234 is an apocalyptic number.

1405069234 is a deficient number, since it is larger than the sum of its proper divisors (771736142).

1405069234 is a wasteful number, since it uses less digits than its factorization.

1405069234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12681.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1405069234 is about 37484.2531471550. The cubic root of 1405069234 is about 1120.0375290358.

The spelling of 1405069234 in words is "one billion, four hundred five million, sixty-nine thousand, two hundred thirty-four".

Divisors: 1 2 31 62 2161 4322 10487 20974 66991 133982 325097 650194 22662407 45324814 702534617 1405069234