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140103232 = 2641107499
BaseRepresentation
bin10000101100111…
…00111001000000
3100202121222111121
420112130321000
5241331300412
621522522024
73320600143
oct1026347100
9322558447
10140103232
11720a26a5
123ab06314
1323045329
141487005a
15c477107
hex859ce40

140103232 has 56 divisors (see below), whose sum is σ = 288036000. Its totient is φ = 67568640.

The previous prime is 140103209. The next prime is 140103233. The reversal of 140103232 is 232301041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (140103233) by changing a digit.

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, 280519 + ... + 281017.

It is an arithmetic number, because the mean of its divisors is an integer number (5143500).

Almost surely, 2140103232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140103232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144018000).

140103232 is an abundant number, since it is smaller than the sum of its proper divisors (147932768).

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

140103232 is a wasteful number, since it uses less digits than its factorization.

140103232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 140103232 is about 11836.5211105291. The cubic root of 140103232 is about 519.3770053884.

Adding to 140103232 its reverse (232301041), we get a palindrome (372404273).

The spelling of 140103232 in words is "one hundred forty million, one hundred three thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 32 41 64 82 107 164 214 328 428 499 656 856 998 1312 1712 1996 2624 3424 3992 4387 6848 7984 8774 15968 17548 20459 31936 35096 40918 53393 70192 81836 106786 140384 163672 213572 280768 327344 427144 654688 854288 1309376 1708576 2189113 3417152 4378226 8756452 17512904 35025808 70051616 140103232