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38859642 = 2335912197
BaseRepresentation
bin1001010000111…
…1001101111010
32201010021102000
42110033031322
534422002032
63504521430
7651205263
oct224171572
981107360
1038859642
111aa31908
1211020276
138087793
14523796a
153628e7c
hex250f37a

38859642 has 32 divisors (see below), whose sum is σ = 87825600. Its totient is φ = 12732624.

The previous prime is 38859641. The next prime is 38859703. The reversal of 38859642 is 24695883.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (38859641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2913 + ... + 9284.

It is an arithmetic number, because the mean of its divisors is an integer number (2744550).

Almost surely, 238859642 is an apocalyptic number.

38859642 is an abundant number, since it is smaller than the sum of its proper divisors (48965958).

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

38859642 is a wasteful number, since it uses less digits than its factorization.

38859642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12267 (or 12261 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 38859642 is about 6233.7502356126. The cubic root of 38859642 is about 338.7138316436.

The spelling of 38859642 in words is "thirty-eight million, eight hundred fifty-nine thousand, six hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 59 118 177 354 531 1062 1593 3186 12197 24394 36591 73182 109773 219546 329319 658638 719623 1439246 2158869 4317738 6476607 12953214 19429821 38859642