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38887542 = 2322160419
BaseRepresentation
bin1001010001011…
…0000001110110
32201011200200100
42110112001312
534423400132
63505254530
7651352521
oct224260166
981150610
1038887542
111aa50871
1211034446
1380973a5
145243bb8
15363237c
hex2516076

38887542 has 12 divisors (see below), whose sum is σ = 84256380. Its totient is φ = 12962508.

The previous prime is 38887529. The next prime is 38887543. The reversal of 38887542 is 24578883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38887543) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1080192 + ... + 1080227.

It is an arithmetic number, because the mean of its divisors is an integer number (7021365).

Almost surely, 238887542 is an apocalyptic number.

38887542 is an abundant number, since it is smaller than the sum of its proper divisors (45368838).

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

38887542 is a wasteful number, since it uses less digits than its factorization.

38887542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160427 (or 2160424 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 38887542 is about 6235.9876523290. The cubic root of 38887542 is about 338.7948742085.

The spelling of 38887542 in words is "thirty-eight million, eight hundred eighty-seven thousand, five hundred forty-two".

Divisors: 1 2 3 6 9 18 2160419 4320838 6481257 12962514 19443771 38887542