Search a number
-
+
74931412 = 2271263843
BaseRepresentation
bin1000111011101…
…01110011010100
312012222220120111
410131311303110
5123140301122
611234012404
71566622633
oct435656324
9165886514
1074931412
113932a096
1221117104
13126a731a
149d4751a
1568a1d77
hex4775cd4

74931412 has 12 divisors (see below), whose sum is σ = 132977376. Its totient is φ = 36937880.

The previous prime is 74931403. The next prime is 74931419. The reversal of 74931412 is 21413947.

It is a super-2 number, since 2×749314122 = 11229433008627488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74931419) 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, 131638 + ... + 132205.

It is an arithmetic number, because the mean of its divisors is an integer number (11081448).

Almost surely, 274931412 is an apocalyptic number.

It is an amenable number.

74931412 is a deficient number, since it is larger than the sum of its proper divisors (58045964).

74931412 is a wasteful number, since it uses less digits than its factorization.

74931412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263918 (or 263916 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 74931412 is about 8656.2932020583. The cubic root of 74931412 is about 421.5877393105.

The spelling of 74931412 in words is "seventy-four million, nine hundred thirty-one thousand, four hundred twelve".

Divisors: 1 2 4 71 142 284 263843 527686 1055372 18732853 37465706 74931412