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38849436 = 2233615897
BaseRepresentation
bin1001010000110…
…0101110011100
32201002202102000
42110030232130
534421140221
63504402300
7651133443
oct224145634
981082360
1038849436
111aa2517a
1211016390
138082c42
145233d5a
153625e26
hex250cb9c

38849436 has 48 divisors (see below), whose sum is σ = 102389280. Its totient is φ = 12735360.

The previous prime is 38849423. The next prime is 38849443. The reversal of 38849436 is 63494883.

It is a junction number, because it is equal to n+sod(n) for n = 38849391 and 38849400.

It is a congruent number.

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, 3640 + ... + 9536.

It is an arithmetic number, because the mean of its divisors is an integer number (2133110).

Almost surely, 238849436 is an apocalyptic number.

38849436 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38849436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51194640).

38849436 is an abundant number, since it is smaller than the sum of its proper divisors (63539844).

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

38849436 is a wasteful number, since it uses less digits than its factorization.

38849436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5971 (or 5963 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 38849436 is about 6232.9315735054. The cubic root of 38849436 is about 338.6841760603.

The spelling of 38849436 in words is "thirty-eight million, eight hundred forty-nine thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 61 108 122 183 244 366 549 732 1098 1647 2196 3294 5897 6588 11794 17691 23588 35382 53073 70764 106146 159219 212292 318438 359717 636876 719434 1079151 1438868 2158302 3237453 4316604 6474906 9712359 12949812 19424718 38849436