Search a number
-
+
74203412 = 2247394699
BaseRepresentation
bin1000110110001…
…00000100010100
312011121220221112
410123010010110
5122444002122
611210234152
71560501323
oct433040424
9164556845
1074203412
1138982138
1220a25958
13124b0b5a
149bd80ba
1567ab2e2
hex46c4114

74203412 has 12 divisors (see below), whose sum is σ = 132619200. Its totient is φ = 36312216.

The previous prime is 74203397. The next prime is 74203421. The reversal of 74203412 is 21430247.

It is a super-2 number, since 2×742034122 = 11012292704883488, which contains 22 as substring.

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, 197162 + ... + 197537.

It is an arithmetic number, because the mean of its divisors is an integer number (11051600).

Almost surely, 274203412 is an apocalyptic number.

It is an amenable number.

74203412 is a deficient number, since it is larger than the sum of its proper divisors (58415788).

74203412 is a wasteful number, since it uses less digits than its factorization.

74203412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394750 (or 394748 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 74203412 is about 8614.1402356823. The cubic root of 74203412 is about 420.2179745340.

Adding to 74203412 its reverse (21430247), we get a palindrome (95633659).

The spelling of 74203412 in words is "seventy-four million, two hundred three thousand, four hundred twelve".

Divisors: 1 2 4 47 94 188 394699 789398 1578796 18550853 37101706 74203412