Search a number
-
+
140330040 = 23351169417
BaseRepresentation
bin10000101110101…
…00010000111000
3100210001111121220
420113110100320
5241411030130
621531432040
73322533324
oct1027242070
9323044556
10140330040
1172238044
123abb5620
13230c4636
14148cc984
15c4be410
hex85d4438

140330040 has 32 divisors (see below), whose sum is σ = 420990480. Its totient is φ = 37421312.

The previous prime is 140330039. The next prime is 140330077. The reversal of 140330040 is 40033041.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584589 + ... + 584828.

Almost surely, 2140330040 is an apocalyptic number.

140330040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140330040 is an abundant number, since it is smaller than the sum of its proper divisors (280660440).

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

140330040 is a wasteful number, since it uses less digits than its factorization.

140330040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169431 (or 1169427 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 140330040 is about 11846.0980917769. The cubic root of 140330040 is about 519.6571211014.

Adding to 140330040 its reverse (40033041), we get a palindrome (180363081).

The spelling of 140330040 in words is "one hundred forty million, three hundred thirty thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1169417 2338834 3508251 4677668 5847085 7016502 9355336 11694170 14033004 17541255 23388340 28066008 35082510 46776680 70165020 140330040