Search a number
-
+
74239022 = 21113259577
BaseRepresentation
bin1000110110011…
…00110000101110
312011200201210102
410123030300232
5123001122042
611211111102
71561010204
oct433146056
9164621712
1074239022
11389a6970
1220a42492
13124c4120
149c07074
1567b6b32
hex46ccc2e

74239022 has 16 divisors (see below), whose sum is σ = 130827312. Its totient is φ = 31149120.

The previous prime is 74239003. The next prime is 74239031. The reversal of 74239022 is 22093247.

It is a happy number.

It is a super-2 number, since 2×742390222 = 11022864775032968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129503 + ... + 130074.

It is an arithmetic number, because the mean of its divisors is an integer number (8176707).

Almost surely, 274239022 is an apocalyptic number.

74239022 is a deficient number, since it is larger than the sum of its proper divisors (56588290).

74239022 is a wasteful number, since it uses less digits than its factorization.

74239022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259603.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 74239022 is about 8616.2069380906. The cubic root of 74239022 is about 420.2851842421.

The spelling of 74239022 in words is "seventy-four million, two hundred thirty-nine thousand, twenty-two".

Divisors: 1 2 11 13 22 26 143 286 259577 519154 2855347 3374501 5710694 6749002 37119511 74239022