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545684484 = 2231919712149
BaseRepresentation
bin100000100001100…
…111110000000100
31102000210122101110
4200201213300010
52104143400414
6130051525020
716344145602
oct4041476004
91360718343
10545684484
1126002a914
121328b9770
138908c137
1452688872
1532d8e459
hex20867c04

545684484 has 48 divisors (see below), whose sum is σ = 1347192000. Its totient is φ = 171432576.

The previous prime is 545684471. The next prime is 545684497. The reversal of 545684484 is 484486545.

It is an interprime number because it is at equal distance from previous prime (545684471) and next prime (545684497).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38842 + ... + 50990.

It is an arithmetic number, because the mean of its divisors is an integer number (28066500).

Almost surely, 2545684484 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 545684484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (673596000).

545684484 is an abundant number, since it is smaller than the sum of its proper divisors (801507516).

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

545684484 is a wasteful number, since it uses less digits than its factorization.

545684484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12372 (or 12370 counting only the distinct ones).

The product of its digits is 2457600, while the sum is 48.

The square root of 545684484 is about 23359.8904963187. The cubic root of 545684484 is about 817.1727358617.

The spelling of 545684484 in words is "five hundred forty-five million, six hundred eighty-four thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 197 228 394 591 788 1182 2364 3743 7486 11229 12149 14972 22458 24298 36447 44916 48596 72894 145788 230831 461662 692493 923324 1384986 2393353 2769972 4786706 7180059 9573412 14360118 28720236 45473707 90947414 136421121 181894828 272842242 545684484