[go: up one dir, main page]

Search a number
-
+
105142435 = 5138115227
BaseRepresentation
bin1100100010001…
…01100010100011
321022211210022021
412101011202203
5203404024220
614233322311
72414460466
oct621054243
9238753267
10105142435
1154394082
122b266397
1318a24378
14dd6d2dd
15936d4aa
hex64458a3

105142435 has 8 divisors (see below), whose sum is σ = 126270576. Its totient is φ = 84047520.

The previous prime is 105142423. The next prime is 105142451. The reversal of 105142435 is 534241501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105142435 - 213 = 105134243 is a prime.

It is a super-2 number, since 2×1051424352 = 22109863275458450, which contains 22 as substring.

It is a Duffinian 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, 709 + ... + 14518.

It is an arithmetic number, because the mean of its divisors is an integer number (15783822).

Almost surely, 2105142435 is an apocalyptic number.

105142435 is a deficient number, since it is larger than the sum of its proper divisors (21128141).

105142435 is a wasteful number, since it uses less digits than its factorization.

105142435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16613.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 105142435 is about 10253.8985269019. The cubic root of 105142435 is about 471.9826237858.

Adding to 105142435 its reverse (534241501), we get a palindrome (639383936).

The spelling of 105142435 in words is "one hundred five million, one hundred forty-two thousand, four hundred thirty-five".

Divisors: 1 5 1381 6905 15227 76135 21028487 105142435