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42943524 = 22313475857
BaseRepresentation
bin1010001111010…
…0010000100100
32222210202102220
42203310100210
541443143044
64132232340
71031004531
oct243642044
988722386
1042943524
1122271118
121246b6b0
138b87590
1459bbd88
153b84019
hex28f4424

42943524 has 48 divisors (see below), whose sum is σ = 110224128. Its totient is φ = 12930048.

The previous prime is 42943489. The next prime is 42943543. The reversal of 42943524 is 42534924.

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, 4404 + ... + 10260.

It is an arithmetic number, because the mean of its divisors is an integer number (2296336).

Almost surely, 242943524 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 42943524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55112064).

42943524 is an abundant number, since it is smaller than the sum of its proper divisors (67280604).

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

42943524 is a wasteful number, since it uses less digits than its factorization.

42943524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5924 (or 5922 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 42943524 is about 6553.1308547899. The cubic root of 42943524 is about 350.1863606170.

The spelling of 42943524 in words is "forty-two million, nine hundred forty-three thousand, five hundred twenty-four".

Divisors: 1 2 3 4 6 12 13 26 39 47 52 78 94 141 156 188 282 564 611 1222 1833 2444 3666 5857 7332 11714 17571 23428 35142 70284 76141 152282 228423 275279 304564 456846 550558 825837 913692 1101116 1651674 3303348 3578627 7157254 10735881 14314508 21471762 42943524