Search a number
-
+
1434254581 = 64323469
BaseRepresentation
bin101010101111100…
…1111110011110101
310200221210200102001
41111133033303311
510414132121311
6354153015301
750353651144
oct12537176365
93627720361
101434254581
11676665771
123403b4531
1319b1b3166
14d86ab75b
1585dae4c1
hex557cfcf5

1434254581 has 6 divisors (see below), whose sum is σ = 1436902710. Its totient is φ = 1431611208.

The previous prime is 1434254557. The next prime is 1434254609. The reversal of 1434254581 is 1854524341.

It can be written as a sum of positive squares in only one way, i.e., 837234225 + 597020356 = 28935^2 + 24434^2 .

It is a de Polignac number, because none of the positive numbers 2k-1434254581 is a prime.

It is a super-2 number, since 2×14342545812 = 4114172406238971122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1434254581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1434254531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 411715 + ... + 415183.

It is an arithmetic number, because the mean of its divisors is an integer number (239483785).

Almost surely, 21434254581 is an apocalyptic number.

It is an amenable number.

1434254581 is a deficient number, since it is larger than the sum of its proper divisors (2648129).

1434254581 is an frugal number, since it uses more digits than its factorization.

1434254581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4755 (or 4112 counting only the distinct ones).

The product of its digits is 76800, while the sum is 37.

The square root of 1434254581 is about 37871.5537177972. The cubic root of 1434254581 is about 1127.7393866366.

The spelling of 1434254581 in words is "one billion, four hundred thirty-four million, two hundred fifty-four thousand, five hundred eighty-one".

Divisors: 1 643 3469 413449 2230567 1434254581