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42649124 = 2271789599
BaseRepresentation
bin1010001010110…
…0011000100100
32222020210121012
42202230120210
541404232444
64122041352
71025340320
oct242543044
988223535
1042649124
112208aa11
1212349258
138ab358b
145942980
153b26b9e
hex28ac624

42649124 has 24 divisors (see below), whose sum is σ = 90316800. Its totient is φ = 17202816.

The previous prime is 42649109. The next prime is 42649127. The reversal of 42649124 is 42194624.

It is not an unprimeable number, because it can be changed into a prime (42649127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44324 + ... + 45275.

It is an arithmetic number, because the mean of its divisors is an integer number (3763200).

Almost surely, 242649124 is an apocalyptic number.

It is an amenable number.

42649124 is an abundant number, since it is smaller than the sum of its proper divisors (47667676).

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

42649124 is a wasteful number, since it uses less digits than its factorization.

42649124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89627 (or 89625 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 42649124 is about 6530.6296786757. The cubic root of 42649124 is about 349.3842889205.

The spelling of 42649124 in words is "forty-two million, six hundred forty-nine thousand, one hundred twenty-four".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 89599 179198 358396 627193 1254386 1523183 2508772 3046366 6092732 10662281 21324562 42649124