Search a number
-
+
76145432 = 23114320123
BaseRepresentation
bin1001000100111…
…10001100011000
312022021120220012
410202132030120
5123443123212
611320021052
71613140226
oct442361430
9168246805
1076145432
1139a89210
1221601788
1312a10a8c
14a181b16
156a41922
hex489e318

76145432 has 32 divisors (see below), whose sum is σ = 159382080. Its totient is φ = 33804960.

The previous prime is 76145417. The next prime is 76145449. The reversal of 76145432 is 23454167.

It is an alternating number because its digits alternate between odd and even.

It is a congruent 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, 6278 + ... + 13845.

It is an arithmetic number, because the mean of its divisors is an integer number (4980690).

Almost surely, 276145432 is an apocalyptic number.

It is an amenable number.

76145432 is an abundant number, since it is smaller than the sum of its proper divisors (83236648).

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

76145432 is a wasteful number, since it uses less digits than its factorization.

76145432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20183 (or 20179 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 76145432 is about 8726.1349978097. The cubic root of 76145432 is about 423.8523723622.

Adding to 76145432 its reverse (23454167), we get a palindrome (99599599).

The spelling of 76145432 in words is "seventy-six million, one hundred forty-five thousand, four hundred thirty-two".

Divisors: 1 2 4 8 11 22 43 44 86 88 172 344 473 946 1892 3784 20123 40246 80492 160984 221353 442706 865289 885412 1730578 1770824 3461156 6922312 9518179 19036358 38072716 76145432