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74440430 = 257444043
BaseRepresentation
bin1000110111111…
…01111011101110
312012001222001222
410123331323232
5123024043210
611215303342
71562506331
oct433757356
9165058058
1074440430
1139024219
1220b1ab52
13125649bc
149c5a618
156806655
hex46fdeee

74440430 has 8 divisors (see below), whose sum is σ = 133992792. Its totient is φ = 29776168.

The previous prime is 74440409. The next prime is 74440441. The reversal of 74440430 is 3404447.

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

It is a self number, because there is not a number n which added to its sum of digits gives 74440430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3722012 + ... + 3722031.

It is an arithmetic number, because the mean of its divisors is an integer number (16749099).

Almost surely, 274440430 is an apocalyptic number.

74440430 is a deficient number, since it is larger than the sum of its proper divisors (59552362).

74440430 is a wasteful number, since it uses less digits than its factorization.

74440430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7444050.

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 74440430 is about 8627.8867632810. The cubic root of 74440430 is about 420.6649142973.

Adding to 74440430 its reverse (3404447), we get a palindrome (77844877).

The spelling of 74440430 in words is "seventy-four million, four hundred forty thousand, four hundred thirty".

Divisors: 1 2 5 10 7444043 14888086 37220215 74440430