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38975636 = 2275923593
BaseRepresentation
bin1001010010101…
…1100010010100
32201100011112002
42110223202110
534434210021
63511214432
7652200410
oct224534224
981304462
1038975636
1120000a77
1211077418
1380c850b
145267d40
15364d50b
hex252b894

38975636 has 24 divisors (see below), whose sum is σ = 79275840. Its totient is φ = 16420032.

The previous prime is 38975627. The next prime is 38975647. The reversal of 38975636 is 63657983.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10145 + ... + 13448.

It is an arithmetic number, because the mean of its divisors is an integer number (3303160).

Almost surely, 238975636 is an apocalyptic number.

It is an amenable number.

38975636 is an abundant number, since it is smaller than the sum of its proper divisors (40300204).

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

38975636 is a wasteful number, since it uses less digits than its factorization.

38975636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23663 (or 23661 counting only the distinct ones).

The product of its digits is 816480, while the sum is 47.

The square root of 38975636 is about 6243.0470124772. The cubic root of 38975636 is about 339.0505112356.

The spelling of 38975636 in words is "thirty-eight million, nine hundred seventy-five thousand, six hundred thirty-six".

Divisors: 1 2 4 7 14 28 59 118 236 413 826 1652 23593 47186 94372 165151 330302 660604 1391987 2783974 5567948 9743909 19487818 38975636