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42894960 = 2435367487
BaseRepresentation
bin1010001110100…
…0011001110000
32222201021211020
42203220121300
541440114320
64131215440
71030413123
oct243503160
988637736
1042894960
1122238689
1212447580
138b6b444
1459a83ba
153b74940
hex28e8670

42894960 has 80 divisors (see below), whose sum is σ = 133610496. Its totient is φ = 11384064.

The previous prime is 42894959. The next prime is 42894991. The reversal of 42894960 is 6949824.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 87837 + ... + 88323.

Almost surely, 242894960 is an apocalyptic number.

42894960 is a gapful number since it is divisible by the number (40) 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 42894960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66805248).

42894960 is an abundant number, since it is smaller than the sum of its proper divisors (90715536).

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

42894960 is a wasteful number, since it uses less digits than its factorization.

42894960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 42894960 is about 6549.4244021899. The cubic root of 42894960 is about 350.0543044991.

The spelling of 42894960 in words is "forty-two million, eight hundred ninety-four thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 367 487 734 974 1101 1461 1468 1835 1948 2202 2435 2922 2936 3670 3896 4404 4870 5505 5844 5872 7305 7340 7792 8808 9740 11010 11688 14610 14680 17616 19480 22020 23376 29220 29360 38960 44040 58440 88080 116880 178729 357458 536187 714916 893645 1072374 1429832 1787290 2144748 2680935 2859664 3574580 4289496 5361870 7149160 8578992 10723740 14298320 21447480 42894960