Base | Representation |
---|---|
bin | 101100011010001… |
… | …010000011011111 |
3 | 1220220221200112120 |
4 | 230122022003133 |
5 | 3011213220211 |
6 | 201533034023 |
7 | 24314600232 |
oct | 5432120337 |
9 | 1826850476 |
10 | 745054431 |
11 | 352622470 |
12 | 189625913 |
13 | bb485714 |
14 | 70d45419 |
15 | 45621d06 |
hex | 2c68a0df |
745054431 has 8 divisors (see below), whose sum is σ = 1083715584. Its totient is φ = 451548120.
The previous prime is 745054417. The next prime is 745054553. The reversal of 745054431 is 134450547.
745054431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 745054431 - 26 = 745054367 is a prime.
It is a super-2 number, since 2×7450544312 = 1110212210305467522, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 22577407 = 745054431 / (7 + 4 + 5 + 0 + 5 + 4 + 4 + 3 + 1).
It is a junction number, because it is equal to n+sod(n) for n = 745054392 and 745054401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (745054931) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11288671 + ... + 11288736.
It is an arithmetic number, because the mean of its divisors is an integer number (135464448).
Almost surely, 2745054431 is an apocalyptic number.
745054431 is a deficient number, since it is larger than the sum of its proper divisors (338661153).
745054431 is a wasteful number, since it uses less digits than its factorization.
745054431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22577421.
The product of its (nonzero) digits is 33600, while the sum is 33.
The square root of 745054431 is about 27295.6852084721. The cubic root of 745054431 is about 906.5588473077.
It can be divided in two parts, 74 and 5054431, that added together give a palindrome (5054505).
The spelling of 745054431 in words is "seven hundred forty-five million, fifty-four thousand, four hundred thirty-one".
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