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744430772 = 22757245849
BaseRepresentation
bin101100010111110…
…001110010110100
31220212210000001002
4230113301302310
53011033241042
6201511422432
724306362051
oct5427616264
91825700032
10744430772
11352236948
12189384a18
13bb2c78a7
1470c22028
154554c132
hex2c5f1cb4

744430772 has 12 divisors (see below), whose sum is σ = 1304480100. Its totient is φ = 371722176.

The previous prime is 744430741. The next prime is 744430781. The reversal of 744430772 is 277034447.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 241056676 + 503374096 = 15526^2 + 22436^2 .

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, 119897 + ... + 125952.

It is an arithmetic number, because the mean of its divisors is an integer number (108706675).

Almost surely, 2744430772 is an apocalyptic number.

It is an amenable number.

744430772 is a deficient number, since it is larger than the sum of its proper divisors (560049328).

744430772 is a wasteful number, since it uses less digits than its factorization.

744430772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246610 (or 246608 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 38.

The square root of 744430772 is about 27284.2586851833. The cubic root of 744430772 is about 906.3058271308.

The spelling of 744430772 in words is "seven hundred forty-four million, four hundred thirty thousand, seven hundred seventy-two".

Divisors: 1 2 4 757 1514 3028 245849 491698 983396 186107693 372215386 744430772