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545543742 = 2390923957
BaseRepresentation
bin100000100001000…
…101011000111110
31102000112111022210
4200201011120332
52104124344432
6130044521250
716343021352
oct4041053076
91360474283
10545543742
1125aa440a7
12132850226
1389040063
145264d462
1532d628cc
hex2084563e

545543742 has 8 divisors (see below), whose sum is σ = 1091087496. Its totient is φ = 181847912.

The previous prime is 545543741. The next prime is 545543749. The reversal of 545543742 is 247345545.

It is a sphenic number, since it is the product of 3 distinct primes.

545543742 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 545543742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545543741) 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, 45461973 + ... + 45461984.

It is an arithmetic number, because the mean of its divisors is an integer number (136385937).

Almost surely, 2545543742 is an apocalyptic number.

545543742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545543742 is a wasteful number, since it uses less digits than its factorization.

545543742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90923962.

The product of its digits is 336000, while the sum is 39.

The square root of 545543742 is about 23356.8778307376. The cubic root of 545543742 is about 817.1024752271.

The spelling of 545543742 in words is "five hundred forty-five million, five hundred forty-three thousand, seven hundred forty-two".

Divisors: 1 2 3 6 90923957 181847914 272771871 545543742