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64042335 = 3257203309
BaseRepresentation
bin1111010001001…
…1010101011111
311110111200120100
43310103111133
5112343323320
610204352143
71405231230
oct364232537
9143450510
1064042335
1133171a55
1219545653
1310363b96
148711087
155950790
hex3d1355f

64042335 has 24 divisors (see below), whose sum is σ = 126865440. Its totient is φ = 29276352.

The previous prime is 64042289. The next prime is 64042337. The reversal of 64042335 is 53324046.

It is not a de Polignac number, because 64042335 - 29 = 64041823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64042299 and 64042308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64042337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101340 + ... + 101969.

It is an arithmetic number, because the mean of its divisors is an integer number (5286060).

Almost surely, 264042335 is an apocalyptic number.

64042335 is a deficient number, since it is larger than the sum of its proper divisors (62823105).

64042335 is a wasteful number, since it uses less digits than its factorization.

64042335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203327 (or 203324 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 64042335 is about 8002.6455000831. The cubic root of 64042335 is about 400.0881784766.

The spelling of 64042335 in words is "sixty-four million, forty-two thousand, three hundred thirty-five".

Divisors: 1 3 5 7 9 15 21 35 45 63 105 315 203309 609927 1016545 1423163 1829781 3049635 4269489 7115815 9148905 12808467 21347445 64042335