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742300453 = 7109104417
BaseRepresentation
bin101100001111101…
…001101100100101
31220201202202210101
4230033221230211
53010012103303
6201354024101
724252310156
oct5417515445
91821682711
10742300453
11351011354
12188718031
13baa3004b
147082992d
154527ad1d
hex2c3e9b25

742300453 has 4 divisors (see below), whose sum is σ = 742411980. Its totient is φ = 742188928.

The previous prime is 742300423. The next prime is 742300541. The reversal of 742300453 is 354003247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 354003247 = 1327231019.

It can be written as a sum of positive squares in 2 ways, for example, as 114447204 + 627853249 = 10698^2 + 25057^2 .

It is a cyclic number.

It is not a de Polignac number, because 742300453 - 25 = 742300421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742300423) 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, 45100 + ... + 59317.

It is an arithmetic number, because the mean of its divisors is an integer number (185602995).

Almost surely, 2742300453 is an apocalyptic number.

It is an amenable number.

742300453 is a deficient number, since it is larger than the sum of its proper divisors (111527).

742300453 is a wasteful number, since it uses less digits than its factorization.

742300453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111526.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 742300453 is about 27245.1913738920. The cubic root of 742300453 is about 905.4404835565.

The spelling of 742300453 in words is "seven hundred forty-two million, three hundred thousand, four hundred fifty-three".

Divisors: 1 7109 104417 742300453