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744149 = 7106307
BaseRepresentation
bin10110101101011010101
31101210210002
42311223111
5142303044
623541045
76216350
oct2655325
91353702
10744149
114690aa
122ba785
13200933
14155297
15ea74e
hexb5ad5

744149 has 4 divisors (see below), whose sum is σ = 850464. Its totient is φ = 637836.

The previous prime is 744137. The next prime is 744179. The reversal of 744149 is 941447.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 744149 - 212 = 740053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 744149.

It is not an unprimeable number, because it can be changed into a prime (744179) 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, 53147 + ... + 53160.

It is an arithmetic number, because the mean of its divisors is an integer number (212616).

2744149 is an apocalyptic number.

It is an amenable number.

744149 is a deficient number, since it is larger than the sum of its proper divisors (106315).

744149 is a wasteful number, since it uses less digits than its factorization.

744149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106314.

The product of its digits is 4032, while the sum is 29.

The square root of 744149 is about 862.6407131593. The cubic root of 744149 is about 90.6191465106.

The spelling of 744149 in words is "seven hundred forty-four thousand, one hundred forty-nine".

Divisors: 1 7 106307 744149