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740404047 = 3246801349
BaseRepresentation
bin101100001000011…
…010101101001111
31220121012102102010
4230020122231033
53004020412142
6201245232303
724230221245
oct5410325517
91817172363
10740404047
1134aa36579
12187b62693
13ba517b06
1470494795
1545003e9c
hex2c21ab4f

740404047 has 4 divisors (see below), whose sum is σ = 987205400. Its totient is φ = 493602696.

The previous prime is 740404013. The next prime is 740404079.

740404047 is nontrivially palindromic in base 10.

740404047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 740404047 - 27 = 740403919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740404087) 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, 123400672 + ... + 123400677.

It is an arithmetic number, because the mean of its divisors is an integer number (246801350).

Almost surely, 2740404047 is an apocalyptic number.

740404047 is a deficient number, since it is larger than the sum of its proper divisors (246801353).

740404047 is a wasteful number, since it uses less digits than its factorization.

740404047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246801352.

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 740404047 is about 27210.3665355688. The cubic root of 740404047 is about 904.6687623092.

It can be divided in two parts, 74040 and 4047, that added together give a palindrome (78087).

The spelling of 740404047 in words is "seven hundred forty million, four hundred four thousand, forty-seven".

Divisors: 1 3 246801349 740404047