Search a number
-
+
88345445 = 523375833
BaseRepresentation
bin1010100010000…
…00101101100101
320011020102011112
411101000231211
5140104023240
612433314405
72121631616
oct521005545
9204212145
1088345445
1145961271
1225705a05
13153c2b16
14ba39c0d
157b51665
hex5440b65

88345445 has 8 divisors (see below), whose sum is σ = 106470936. Its totient is φ = 70372096.

The previous prime is 88345429. The next prime is 88345457. The reversal of 88345445 is 54454388.

88345445 = T111 + T112 + ... + T809.

It can be written as a sum of positive squares in 4 ways, for example, as 13315201 + 75030244 = 3649^2 + 8662^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 88345445 - 24 = 88345429 is a prime.

It is a Duffinian number.

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, 36752 + ... + 39081.

It is an arithmetic number, because the mean of its divisors is an integer number (13308867).

Almost surely, 288345445 is an apocalyptic number.

It is an amenable number.

88345445 is a deficient number, since it is larger than the sum of its proper divisors (18125491).

88345445 is a wasteful number, since it uses less digits than its factorization.

88345445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76071.

The product of its digits is 307200, while the sum is 41.

The square root of 88345445 is about 9399.2257659873. The cubic root of 88345445 is about 445.3772754731.

The spelling of 88345445 in words is "eighty-eight million, three hundred forty-five thousand, four hundred forty-five".

Divisors: 1 5 233 1165 75833 379165 17669089 88345445