Search a number
-
+
74159830 = 2510317193
BaseRepresentation
bin1000110101110…
…01011011010110
312011112201011101
410122321123112
5122441103310
611205300314
71560230263
oct432713326
9164481141
1074159830
1138952418
1220a0469a
1312497074
149bc626a
15679d43a
hex46b96d6

74159830 has 16 divisors (see below), whose sum is σ = 133635744. Its totient is φ = 29631040.

The previous prime is 74159801. The next prime is 74159837. The reversal of 74159830 is 3895147.

It is a self number, because there is not a number n which added to its sum of digits gives 74159830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74159837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6714 + ... + 13906.

It is an arithmetic number, because the mean of its divisors is an integer number (8352234).

Almost surely, 274159830 is an apocalyptic number.

74159830 is a deficient number, since it is larger than the sum of its proper divisors (59475914).

74159830 is a wasteful number, since it uses less digits than its factorization.

74159830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8231.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 74159830 is about 8611.6101862544. The cubic root of 74159830 is about 420.1356893403.

The spelling of 74159830 in words is "seventy-four million, one hundred fifty-nine thousand, eight hundred thirty".

Divisors: 1 2 5 10 1031 2062 5155 7193 10310 14386 35965 71930 7415983 14831966 37079915 74159830