Search a number
-
+
88870442 = 2291532249
BaseRepresentation
bin1010100110000…
…00111000101010
320012020002022212
411103000320222
5140222323232
612452445122
72126246333
oct523007052
9205202285
1088870442
114618a751
12259197a2
1315547a7b
14bb3528a
157c06eb2
hex54c0e2a

88870442 has 8 divisors (see below), whose sum is σ = 137902500. Its totient is φ = 42902944.

The previous prime is 88870433. The next prime is 88870447. The reversal of 88870442 is 24407888.

It can be written as a sum of positive squares in 2 ways, for example, as 88717561 + 152881 = 9419^2 + 391^2 .

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

It is a super-2 number, since 2×888704422 = 15795910922550728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 88870442.

It is not an unprimeable number, because it can be changed into a prime (88870447) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 766067 + ... + 766182.

Almost surely, 288870442 is an apocalyptic number.

88870442 is a deficient number, since it is larger than the sum of its proper divisors (49032058).

88870442 is a wasteful number, since it uses less digits than its factorization.

88870442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532280.

The product of its (nonzero) digits is 114688, while the sum is 41.

The square root of 88870442 is about 9427.1120710428. The cubic root of 88870442 is about 446.2577588641.

The spelling of 88870442 in words is "eighty-eight million, eight hundred seventy thousand, four hundred forty-two".

Divisors: 1 2 29 58 1532249 3064498 44435221 88870442