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744487093 = 7106355299
BaseRepresentation
bin101100010111111…
…111100010110101
31220212212212022001
4230113333202311
53011042041333
6201512535301
724310015210
oct5427774265
91825785261
10744487093
11352275199
121893b1531
13bb31740c
1470c38777
154555db7d
hex2c5ff8b5

744487093 has 4 divisors (see below), whose sum is σ = 850842400. Its totient is φ = 638131788.

The previous prime is 744487067. The next prime is 744487099. The reversal of 744487093 is 390784447.

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, and also an emirpimes, since its reverse is a distinct semiprime: 390784447 = 445187797.

It is a de Polignac number, because none of the positive numbers 2k-744487093 is a prime.

It is a super-2 number, since 2×7444870932 = 1108522063287181298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744487099) by changing a digit.

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, 53177643 + ... + 53177656.

It is an arithmetic number, because the mean of its divisors is an integer number (212710600).

Almost surely, 2744487093 is an apocalyptic number.

It is an amenable number.

744487093 is a deficient number, since it is larger than the sum of its proper divisors (106355307).

744487093 is a wasteful number, since it uses less digits than its factorization.

744487093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106355306.

The product of its (nonzero) digits is 677376, while the sum is 46.

The square root of 744487093 is about 27285.2907809318. The cubic root of 744487093 is about 906.3286825192.

The spelling of 744487093 in words is "seven hundred forty-four million, four hundred eighty-seven thousand, ninety-three".

Divisors: 1 7 106355299 744487093