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64230133 = 116195723
BaseRepresentation
bin1111010100000…
…1001011110101
311110212020011211
43311001023311
5112420331013
610212401421
71406642602
oct365011365
9143766154
1064230133
1133290060
1219616271
13103cb4c6
14875d6a9
15598b23d
hex3d412f5

64230133 has 8 divisors (see below), whose sum is σ = 71218656. Its totient is φ = 57433200.

The previous prime is 64230119. The next prime is 64230139. The reversal of 64230133 is 33103246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-64230133 is a prime.

It is a super-4 number, since 4×642301334 (a number of 32 digits) contains 4444 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 (64230139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47191 + ... + 48532.

It is an arithmetic number, because the mean of its divisors is an integer number (8902332).

Almost surely, 264230133 is an apocalyptic number.

It is an amenable number.

64230133 is a deficient number, since it is larger than the sum of its proper divisors (6988523).

64230133 is a wasteful number, since it uses less digits than its factorization.

64230133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95795.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 64230133 is about 8014.3704057150. The cubic root of 64230133 is about 400.4788702295.

Adding to 64230133 its reverse (33103246), we get a palindrome (97333379).

The spelling of 64230133 in words is "sixty-four million, two hundred thirty thousand, one hundred thirty-three".

Divisors: 1 11 61 671 95723 1052953 5839103 64230133