Search a number
-
+
140105604 = 223234671087
BaseRepresentation
bin10000101100111…
…01011110000100
3100202122002202110
420112131132010
5241331334404
621522541020
73320610102
oct1026353604
9322562673
10140105604
11720a4461
123ab07770
1323046432
1414870c72
15c477b89
hex859d784

140105604 has 48 divisors (see below), whose sum is σ = 342171648. Its totient is φ = 44534688.

The previous prime is 140105599. The next prime is 140105629. The reversal of 140105604 is 406501041.

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 15 ways as a sum of consecutive naturals, for example, 128349 + ... + 129435.

It is an arithmetic number, because the mean of its divisors is an integer number (7128576).

Almost surely, 2140105604 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 140105604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171085824).

140105604 is an abundant number, since it is smaller than the sum of its proper divisors (202066044).

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

140105604 is a wasteful number, since it uses less digits than its factorization.

140105604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584 (or 1582 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 140105604 is about 11836.6213084647. The cubic root of 140105604 is about 519.3799364540.

Adding to 140105604 its reverse (406501041), we get a palindrome (546606645).

The spelling of 140105604 in words is "one hundred forty million, one hundred five thousand, six hundred four".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 467 934 1087 1401 1868 2174 2802 3261 4348 5604 6522 10741 13044 21482 25001 32223 42964 50002 64446 75003 100004 128892 150006 300012 507629 1015258 1522887 2030516 3045774 6091548 11675467 23350934 35026401 46701868 70052802 140105604