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1350025440 = 25352812553
BaseRepresentation
bin101000001110111…
…1100000011100000
310111002022101202020
41100131330003200
510231101303230
6341543421440
745312012141
oct12035740340
93432271666
101350025440
11633066105
12318154880
13186901b2a
14cb423ac8
157d7c2810
hex5077c0e0

1350025440 has 48 divisors (see below), whose sum is σ = 4252581648. Its totient is φ = 360006656.

The previous prime is 1350025421. The next prime is 1350025483. The reversal of 1350025440 is 445200531.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1350025440.

It is a congruent number.

It is an unprimeable number.

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, 1405797 + ... + 1406756.

It is an arithmetic number, because the mean of its divisors is an integer number (88595451).

Almost surely, 21350025440 is an apocalyptic number.

1350025440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1350025440 is an abundant number, since it is smaller than the sum of its proper divisors (2902556208).

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

1350025440 is a wasteful number, since it uses less digits than its factorization.

1350025440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812571 (or 2812563 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1350025440 is about 36742.6923346670. The cubic root of 1350025440 is about 1105.2163919012.

Adding to 1350025440 its reverse (445200531), we get a palindrome (1795225971).

The spelling of 1350025440 in words is "one billion, three hundred fifty million, twenty-five thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 2812553 5625106 8437659 11250212 14062765 16875318 22500424 28125530 33750636 42188295 45000848 56251060 67501272 84376590 90001696 112502120 135002544 168753180 225004240 270005088 337506360 450008480 675012720 1350025440