[go: up one dir, main page]

Search a number
-
+
745053 = 3248351
BaseRepresentation
bin10110101111001011101
31101212000120
42311321131
5142320203
623545153
76222111
oct2657135
91355016
10745053
11469851
122bb1b9
1320117a
14155741
15eab53
hexb5e5d

745053 has 4 divisors (see below), whose sum is σ = 993408. Its totient is φ = 496700.

The previous prime is 745051. The next prime is 745067. The reversal of 745053 is 350547.

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: 350547 = 3116849.

It is a cyclic number.

It is not a de Polignac number, because 745053 - 21 = 745051 is a prime.

It is a D-number.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124173 + ... + 124178.

It is an arithmetic number, because the mean of its divisors is an integer number (248352).

2745053 is an apocalyptic number.

It is an amenable number.

745053 is a deficient number, since it is larger than the sum of its proper divisors (248355).

745053 is a wasteful number, since it uses less digits than its factorization.

745053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248354.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 745053 is about 863.1645266112. The cubic root of 745053 is about 90.6558266909.

It can be divided in two parts, 7450 and 53, that added together give a triangular number (7503 = T122).

The spelling of 745053 in words is "seven hundred forty-five thousand, fifty-three".

Divisors: 1 3 248351 745053