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545423701 = 1660732843
BaseRepresentation
bin100000100000101…
…000000101010101
31102000022101122211
4200200220011111
52104112024301
6130042153421
716342011364
oct4040500525
91360271584
10545423701
1125a971999
121327b2871
1388cca524
145261b7db
1532d3c051
hex20828155

545423701 has 4 divisors (see below), whose sum is σ = 545473152. Its totient is φ = 545374252.

The previous prime is 545423657. The next prime is 545423707. The reversal of 545423701 is 107324545.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 545423701 - 213 = 545415509 is a prime.

It is a super-2 number, since 2×5454237012 = 594974027225074802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545423707) 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, 186 + ... + 33028.

It is an arithmetic number, because the mean of its divisors is an integer number (136368288).

Almost surely, 2545423701 is an apocalyptic number.

It is an amenable number.

545423701 is a deficient number, since it is larger than the sum of its proper divisors (49451).

545423701 is a wasteful number, since it uses less digits than its factorization.

545423701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49450.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 545423701 is about 23354.3079751895. The cubic root of 545423701 is about 817.0425393101.

The spelling of 545423701 in words is "five hundred forty-five million, four hundred twenty-three thousand, seven hundred one".

Divisors: 1 16607 32843 545423701