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38905695 = 3252233877
BaseRepresentation
bin1001010001101…
…0011101011111
32201012121120200
42110122131133
534424440240
63505514543
7651456453
oct224323537
981177520
1038905695
111aa63474
1211042a53
1380a272a
14524a663
153637930
hex251a75f

38905695 has 24 divisors (see below), whose sum is σ = 67756416. Its totient is φ = 20651328.

The previous prime is 38905693. The next prime is 38905703. The reversal of 38905695 is 59650983.

38905695 is a `hidden beast` number, since 3 + 89 + 0 + 569 + 5 = 666.

It is not a de Polignac number, because 38905695 - 21 = 38905693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 38905695.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38905693) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8097 + ... + 11973.

It is an arithmetic number, because the mean of its divisors is an integer number (2823184).

Almost surely, 238905695 is an apocalyptic number.

38905695 is a deficient number, since it is larger than the sum of its proper divisors (28850721).

38905695 is a wasteful number, since it uses less digits than its factorization.

38905695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4111 (or 4108 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 38905695 is about 6237.4429857114. The cubic root of 38905695 is about 338.8475833479.

The spelling of 38905695 in words is "thirty-eight million, nine hundred five thousand, six hundred ninety-five".

Divisors: 1 3 5 9 15 45 223 669 1115 2007 3345 3877 10035 11631 19385 34893 58155 174465 864571 2593713 4322855 7781139 12968565 38905695