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744430051 = 17193536529
BaseRepresentation
bin101100010111110…
…001100111100011
31220212202222001101
4230113301213203
53011033230201
6201511415231
724306360001
oct5427614743
91825688041
10744430051
11352236352
12189384517
13bb2c7471
1470c21a71
154554bd01
hex2c5f19e3

744430051 has 16 divisors (see below), whose sum is σ = 832183200. Its totient is φ = 661782528.

The previous prime is 744430019. The next prime is 744430067. The reversal of 744430051 is 150034447.

It is not a de Polignac number, because 744430051 - 25 = 744430019 is a prime.

It is a super-2 number, since 2×7444300512 = 1108352201663725202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (744430091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110755 + ... + 117283.

It is an arithmetic number, because the mean of its divisors is an integer number (52011450).

Almost surely, 2744430051 is an apocalyptic number.

744430051 is a deficient number, since it is larger than the sum of its proper divisors (87753149).

744430051 is a wasteful number, since it uses less digits than its factorization.

744430051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6918.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 744430051 is about 27284.2454724334. The cubic root of 744430051 is about 906.3055345373.

Adding to 744430051 its reverse (150034447), we get a palindrome (894464498).

The spelling of 744430051 in words is "seven hundred forty-four million, four hundred thirty thousand, fifty-one".

Divisors: 1 17 19 323 353 6001 6529 6707 110993 114019 124051 2108867 2304737 39180529 43790003 744430051