Search a number
-
+
74495080 = 23511169307
BaseRepresentation
bin1000111000010…
…11010001101000
312012011202001001
410130023101220
5123032320310
611220404344
71563124552
oct434132150
9165152031
1074495080
1139061290
1220b466b4
131258383a
149c724d2
15681793a
hex470b468

74495080 has 32 divisors (see below), whose sum is σ = 182852640. Its totient is φ = 27088960.

The previous prime is 74495041. The next prime is 74495093. The reversal of 74495080 is 8059447.

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, 84214 + ... + 85093.

It is an arithmetic number, because the mean of its divisors is an integer number (5714145).

Almost surely, 274495080 is an apocalyptic number.

It is an amenable number.

74495080 is an abundant number, since it is smaller than the sum of its proper divisors (108357560).

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

74495080 is a wasteful number, since it uses less digits than its factorization.

74495080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169329 (or 169325 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 74495080 is about 8631.0532381628. The cubic root of 74495080 is about 420.7678319996.

The spelling of 74495080 in words is "seventy-four million, four hundred ninety-five thousand, eighty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 169307 338614 677228 846535 1354456 1693070 1862377 3386140 3724754 6772280 7449508 9311885 14899016 18623770 37247540 74495080