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545529740 = 225721095107
BaseRepresentation
bin100000100001000…
…001111110001100
31102000111210010012
4200201001332030
52104123422430
6130044332352
716342632500
oct4041017614
91360453105
10545529740
1125aa34628
121328440b8
1389036882
1452648300
1532d5d695
hex20841f8c

545529740 has 72 divisors (see below), whose sum is σ = 1345140720. Its totient is φ = 185286528.

The previous prime is 545529731. The next prime is 545529773. The reversal of 545529740 is 47925545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104267 + ... + 109373.

It is an arithmetic number, because the mean of its divisors is an integer number (18682510).

Almost surely, 2545529740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545529740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672570360).

545529740 is an abundant number, since it is smaller than the sum of its proper divisors (799610980).

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

545529740 is a wasteful number, since it uses less digits than its factorization.

545529740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5239 (or 5230 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 41.

The square root of 545529740 is about 23356.5780884101. The cubic root of 545529740 is about 817.0954845461.

The spelling of 545529740 in words is "five hundred forty-five million, five hundred twenty-nine thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 109 140 196 218 245 436 490 545 763 980 1090 1526 2180 3052 3815 5107 5341 7630 10214 10682 15260 20428 21364 25535 26705 35749 51070 53410 71498 102140 106820 142996 178745 250243 357490 500486 556663 714980 1000972 1113326 1251215 2226652 2502430 2783315 3896641 5004860 5566630 7793282 11133260 15586564 19483205 27276487 38966410 54552974 77932820 109105948 136382435 272764870 545529740