Search a number
-
+
545109950 = 252711141587
BaseRepresentation
bin100000011111011…
…011011110111110
31101222201110021102
4200133123132332
52104022004300
6130031333102
716336233560
oct4037333676
91358643242
10545109950
1125a7781a0
12132681192
1388c1a788
1452579330
1532cc90d5
hex207db7be

545109950 has 48 divisors (see below), whose sum is σ = 1264097664. Its totient is φ = 169903200.

The previous prime is 545109949. The next prime is 545109967. The reversal of 545109950 is 59901545.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66944 + ... + 74643.

It is an arithmetic number, because the mean of its divisors is an integer number (26335368).

Almost surely, 2545109950 is an apocalyptic number.

545109950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

545109950 is an abundant number, since it is smaller than the sum of its proper divisors (718987714).

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

545109950 is a wasteful number, since it uses less digits than its factorization.

545109950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141617 (or 141612 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 38.

The square root of 545109950 is about 23347.5898113703. The cubic root of 545109950 is about 816.8858433426.

The spelling of 545109950 in words is "five hundred forty-five million, one hundred nine thousand, nine hundred fifty".

Divisors: 1 2 5 7 10 11 14 22 25 35 50 55 70 77 110 154 175 275 350 385 550 770 1925 3850 141587 283174 707935 991109 1415870 1557457 1982218 3114914 3539675 4955545 7079350 7787285 9911090 10902199 15574570 21804398 24777725 38936425 49555450 54510995 77872850 109021990 272554975 545109950