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746420423 = 7106631489
BaseRepresentation
bin101100011111010…
…111100011000111
31221000112002022212
4230133113203013
53012040423143
6202022214035
724332316560
oct5437274307
91830462285
10746420423
11353375791
12189b8431b
13bb8433b8
14711bd167
15457e1918
hex2c7d78c7

746420423 has 4 divisors (see below), whose sum is σ = 853051920. Its totient is φ = 639788928.

The previous prime is 746420329. The next prime is 746420447. The reversal of 746420423 is 324024647.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324024647 = 1489721751.

It is a cyclic number.

It is not a de Polignac number, because 746420423 - 28 = 746420167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 746420423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746420923) 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, 53315738 + ... + 53315751.

It is an arithmetic number, because the mean of its divisors is an integer number (213262980).

Almost surely, 2746420423 is an apocalyptic number.

746420423 is a deficient number, since it is larger than the sum of its proper divisors (106631497).

746420423 is a wasteful number, since it uses less digits than its factorization.

746420423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106631496.

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 746420423 is about 27320.6958732753. The cubic root of 746420423 is about 907.1125411266.

The spelling of 746420423 in words is "seven hundred forty-six million, four hundred twenty thousand, four hundred twenty-three".

Divisors: 1 7 106631489 746420423