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38039942 = 219199581
BaseRepresentation
bin1001000100011…
…1000110000110
32122120121222202
42101013012012
534214234232
63435154502
7641222423
oct221070606
978517882
1038039942
111a521a76
12108a5a32
137b5b655
1450a2d4a
153516162
hex2447186

38039942 has 8 divisors (see below), whose sum is σ = 57359232. Its totient is φ = 18920200.

The previous prime is 38039941. The next prime is 38039983. The reversal of 38039942 is 24993083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 38039896 and 38039905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38039941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49409 + ... + 50172.

It is an arithmetic number, because the mean of its divisors is an integer number (7169904).

Almost surely, 238039942 is an apocalyptic number.

38039942 is a deficient number, since it is larger than the sum of its proper divisors (19319290).

38039942 is a wasteful number, since it uses less digits than its factorization.

38039942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99774.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 38039942 is about 6167.6528760948. The cubic root of 38039942 is about 336.3152924345.

The spelling of 38039942 in words is "thirty-eight million, thirty-nine thousand, nine hundred forty-two".

Divisors: 1 2 191 382 99581 199162 19019971 38039942