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141402505 = 5235772131
BaseRepresentation
bin10000110110110…
…10000110001001
3100212001222202211
420123122012021
5242144340010
622010425121
73334621126
oct1033320611
9325058684
10141402505
11728aa882
123b4321a1
13233ab82a
1414acb74d
15c63208a
hex86da189

141402505 has 16 divisors (see below), whose sum is σ = 177450624. Its totient is φ = 107965440.

The previous prime is 141402491. The next prime is 141402509. The reversal of 141402505 is 505204141.

It is not a de Polignac number, because 141402505 - 29 = 141401993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141402509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65290 + ... + 67420.

It is an arithmetic number, because the mean of its divisors is an integer number (11090664).

Almost surely, 2141402505 is an apocalyptic number.

It is an amenable number.

141402505 is a deficient number, since it is larger than the sum of its proper divisors (36048119).

141402505 is a wasteful number, since it uses less digits than its factorization.

141402505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 141402505 is about 11891.2785267186. The cubic root of 141402505 is about 520.9775804127.

Adding to 141402505 its reverse (505204141), we get a palindrome (646606646).

The spelling of 141402505 in words is "one hundred forty-one million, four hundred two thousand, five hundred five".

Divisors: 1 5 23 115 577 2131 2885 10655 13271 49013 66355 245065 1229587 6147935 28280501 141402505