Search a number
-
+
74405486 = 2221316811
BaseRepresentation
bin1000110111101…
…01011001101110
312012000012010202
410123311121232
5123021433421
611214433502
71562302421
oct433653156
9165005122
1074405486
1138aaaa41
1220b02892
1312551b1c
149c4b9b8
1567eb10b
hex46f566e

74405486 has 8 divisors (see below), whose sum is σ = 111665304. Its totient is φ = 37183720.

The previous prime is 74405479. The next prime is 74405497. The reversal of 74405486 is 68450447.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3980 + ... + 12831.

It is an arithmetic number, because the mean of its divisors is an integer number (13958163).

Almost surely, 274405486 is an apocalyptic number.

74405486 is a deficient number, since it is larger than the sum of its proper divisors (37259818).

74405486 is a wasteful number, since it uses less digits than its factorization.

74405486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19026.

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 74405486 is about 8625.8614642249. The cubic root of 74405486 is about 420.5990808271.

The spelling of 74405486 in words is "seventy-four million, four hundred five thousand, four hundred eighty-six".

Divisors: 1 2 2213 4426 16811 33622 37202743 74405486