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61888016 = 2419203579
BaseRepresentation
bin1110110000010…
…1011000010000
311022110020101202
43230011120100
5111320404031
610050250332
71351016351
oct354053020
9138406352
1061888016
1131a30423
12188869a8
13ca8b438
14830dd28
1556772cb
hex3b05610

61888016 has 20 divisors (see below), whose sum is σ = 126219600. Its totient is φ = 29315232.

The previous prime is 61887979. The next prime is 61888031. The reversal of 61888016 is 61088816.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101486 + ... + 102093.

It is an arithmetic number, because the mean of its divisors is an integer number (6310980).

Almost surely, 261888016 is an apocalyptic number.

It is an amenable number.

61888016 is an abundant number, since it is smaller than the sum of its proper divisors (64331584).

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

61888016 is a wasteful number, since it uses less digits than its factorization.

61888016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203606 (or 203600 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 61888016 is about 7866.8936690412. The cubic root of 61888016 is about 395.5507267479.

The spelling of 61888016 in words is "sixty-one million, eight hundred eighty-eight thousand, sixteen".

Divisors: 1 2 4 8 16 19 38 76 152 304 203579 407158 814316 1628632 3257264 3868001 7736002 15472004 30944008 61888016