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742953 = 3247651
BaseRepresentation
bin10110101011000101001
31101202010210
42311120221
5142233303
623531333
76213021
oct2653051
91352123
10742953
11468212
122b9b49
13200223
14154a81
15ea203
hexb5629

742953 has 4 divisors (see below), whose sum is σ = 990608. Its totient is φ = 495300.

The previous prime is 742949. The next prime is 742967. The reversal of 742953 is 359247.

742953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is not a de Polignac number, because 742953 - 22 = 742949 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 742953.

It is not an unprimeable number, because it can be changed into a prime (742913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123823 + ... + 123828.

It is an arithmetic number, because the mean of its divisors is an integer number (247652).

2742953 is an apocalyptic number.

It is an amenable number.

742953 is a deficient number, since it is larger than the sum of its proper divisors (247655).

742953 is a wasteful number, since it uses less digits than its factorization.

742953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247654.

The product of its digits is 7560, while the sum is 30.

The square root of 742953 is about 861.9472141611. The cubic root of 742953 is about 90.5705726298.

The spelling of 742953 in words is "seven hundred forty-two thousand, nine hundred fifty-three".

Divisors: 1 3 247651 742953