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140105553 = 37453367
BaseRepresentation
bin10000101100111…
…01011101010001
3100202122002200120
420112131131101
5241331334203
621522540453
73320610000
oct1026353521
9322562616
10140105553
11720a4415
123ab07729
13230463c3
1414870c37
15c477b53
hex859d751

140105553 has 40 divisors (see below), whose sum is σ = 222645888. Its totient is φ = 78335712.

The previous prime is 140105521. The next prime is 140105557. The reversal of 140105553 is 355501041.

140105553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140105553 - 25 = 140105521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140105557) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 381576 + ... + 381942.

Almost surely, 2140105553 is an apocalyptic number.

It is an amenable number.

140105553 is a deficient number, since it is larger than the sum of its proper divisors (82540335).

140105553 is an frugal number, since it uses more digits than its factorization.

140105553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 140105553 is about 11836.6191541335. The cubic root of 140105553 is about 519.3798734339.

Adding to 140105553 its reverse (355501041), we get a palindrome (495606594).

The spelling of 140105553 in words is "one hundred forty million, one hundred five thousand, five hundred fifty-three".

Divisors: 1 3 7 21 49 53 147 159 343 367 371 1029 1101 1113 2401 2569 2597 7203 7707 7791 17983 18179 19451 53949 54537 58353 125881 127253 136157 377643 381759 408471 881167 953099 2643501 2859297 6671693 20015079 46701851 140105553