Search a number
-
+
42057465 = 353079133
BaseRepresentation
bin1010000001101…
…1111011111001
32221010201222220
42200123323321
541231314330
64101234253
71020324342
oct240337371
987121886
1042057465
112181643a
1212102989
138937198
14582b0c9
153a5b710
hex281bef9

42057465 has 16 divisors (see below), whose sum is σ = 67518528. Its totient is φ = 22355136.

The previous prime is 42057437. The next prime is 42057481. The reversal of 42057465 is 56475024.

It is not a de Polignac number, because 42057465 - 26 = 42057401 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39 + ... + 9171.

It is an arithmetic number, because the mean of its divisors is an integer number (4219908).

Almost surely, 242057465 is an apocalyptic number.

It is an amenable number.

42057465 is a deficient number, since it is larger than the sum of its proper divisors (25461063).

42057465 is a wasteful number, since it uses less digits than its factorization.

42057465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9448.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 42057465 is about 6485.1727039455. The cubic root of 42057465 is about 347.7611238856.

The spelling of 42057465 in words is "forty-two million, fifty-seven thousand, four hundred sixty-five".

Divisors: 1 3 5 15 307 921 1535 4605 9133 27399 45665 136995 2803831 8411493 14019155 42057465