Search a number
-
+
64008701 = 1923712063
BaseRepresentation
bin1111010000101…
…1000111111101
311110102222102122
43310023013331
5112341234301
610203532325
71405031201
oct364130775
9143388378
1064008701
1133149759
121952a0a5
1310351793
148702b01
15594581b
hex3d0b1fd

64008701 has 16 divisors (see below), whose sum is σ = 71331840. Its totient is φ = 57158640.

The previous prime is 64008697. The next prime is 64008719. The reversal of 64008701 is 10780046.

It is a cyclic number.

It is not a de Polignac number, because 64008701 - 22 = 64008697 is a prime.

It is a super-2 number, since 2×640087012 = 8194227607414802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64008731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29996 + ... + 32058.

It is an arithmetic number, because the mean of its divisors is an integer number (4458240).

Almost surely, 264008701 is an apocalyptic number.

It is an amenable number.

64008701 is a deficient number, since it is larger than the sum of its proper divisors (7323139).

64008701 is a wasteful number, since it uses less digits than its factorization.

64008701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 64008701 is about 8000.5437940180. The cubic root of 64008701 is about 400.0181262619.

Adding to 64008701 its reverse (10780046), we get a palindrome (74788747).

The spelling of 64008701 in words is "sixty-four million, eight thousand, seven hundred one".

Divisors: 1 19 23 71 437 1349 1633 2063 31027 39197 47449 146473 901531 2782987 3368879 64008701