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42690652 = 2253792549
BaseRepresentation
bin1010001011011…
…0100001011100
32222022220120021
42202312201130
541412100102
64123001524
71025602354
oct242664134
988286507
1042690652
1122109134
12123692a4
138ac9454
145953b64
153b34137
hex28b685c

42690652 has 24 divisors (see below), whose sum is σ = 77112000. Its totient is φ = 20669376.

The previous prime is 42690643. The next prime is 42690677. The reversal of 42690652 is 25609624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15474 + ... + 18022.

It is an arithmetic number, because the mean of its divisors is an integer number (3213000).

Almost surely, 242690652 is an apocalyptic number.

It is an amenable number.

42690652 is a deficient number, since it is larger than the sum of its proper divisors (34421348).

42690652 is a wasteful number, since it uses less digits than its factorization.

42690652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685 (or 2683 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 42690652 is about 6533.8083840896. The cubic root of 42690652 is about 349.4976521244.

The spelling of 42690652 in words is "forty-two million, six hundred ninety thousand, six hundred fifty-two".

Divisors: 1 2 4 53 79 106 158 212 316 2549 4187 5098 8374 10196 16748 135097 201371 270194 402742 540388 805484 10672663 21345326 42690652