Search a number
-
+
74706286 = 256965647
BaseRepresentation
bin1000111001111…
…10110101101110
312012120110202111
410130332311232
5123111100121
611225114234
71564664404
oct434766556
9165513674
1074706286
1139195a36
122102897a
1312628a05
149cc9474
15685a2e1
hex473ed6e

74706286 has 8 divisors (see below), whose sum is σ = 112258080. Its totient is φ = 37286928.

The previous prime is 74706263. The next prime is 74706337. The reversal of 74706286 is 68260747.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31686 + ... + 33961.

It is an arithmetic number, because the mean of its divisors is an integer number (14032260).

Almost surely, 274706286 is an apocalyptic number.

74706286 is a deficient number, since it is larger than the sum of its proper divisors (37551794).

74706286 is a wasteful number, since it uses less digits than its factorization.

74706286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66218.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 74706286 is about 8643.2798172916. The cubic root of 74706286 is about 421.1651058280.

The spelling of 74706286 in words is "seventy-four million, seven hundred six thousand, two hundred eighty-six".

Divisors: 1 2 569 1138 65647 131294 37353143 74706286