Search a number
-
+
74098390 = 257409839
BaseRepresentation
bin1000110101010…
…10011011010110
312011102120212211
410122222123112
5122432122030
611204104034
71556553202
oct432523326
9164376784
1074098390
1138910243
122099501a
1312475102
149babb02
15678a12a
hex46aa6d6

74098390 has 8 divisors (see below), whose sum is σ = 133377120. Its totient is φ = 29639352.

The previous prime is 74098379. The next prime is 74098391. The reversal of 74098390 is 9389047.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74098391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3704910 + ... + 3704929.

It is an arithmetic number, because the mean of its divisors is an integer number (16672140).

Almost surely, 274098390 is an apocalyptic number.

74098390 is a deficient number, since it is larger than the sum of its proper divisors (59278730).

74098390 is a wasteful number, since it uses less digits than its factorization.

74098390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7409846.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 74098390 is about 8608.0421699711. The cubic root of 74098390 is about 420.0196324912.

The spelling of 74098390 in words is "seventy-four million, ninety-eight thousand, three hundred ninety".

Divisors: 1 2 5 10 7409839 14819678 37049195 74098390