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65214141 = 3103211049
BaseRepresentation
bin1111100011000…
…1011010111101
311112201012222120
43320301122331
5113143323031
610245433153
71421211456
oct370613275
9145635876
1065214141
11338a2393
1219a0b7b9
1310684365
14893812d
155ad2a96
hex3e316bd

65214141 has 8 divisors (see below), whose sum is σ = 87796800. Its totient is φ = 43053792.

The previous prime is 65214113. The next prime is 65214157. The reversal of 65214141 is 14141256.

It is a happy number.

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

It is not a de Polignac number, because 65214141 - 26 = 65214077 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65214241) 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, 105216 + ... + 105833.

It is an arithmetic number, because the mean of its divisors is an integer number (10974600).

Almost surely, 265214141 is an apocalyptic number.

It is an amenable number.

65214141 is a deficient number, since it is larger than the sum of its proper divisors (22582659).

65214141 is a wasteful number, since it uses less digits than its factorization.

65214141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211155.

The product of its digits is 960, while the sum is 24.

The square root of 65214141 is about 8075.5272892858. The cubic root of 65214141 is about 402.5136314713.

Adding to 65214141 its reverse (14141256), we get a palindrome (79355397).

The spelling of 65214141 in words is "sixty-five million, two hundred fourteen thousand, one hundred forty-one".

Divisors: 1 3 103 309 211049 633147 21738047 65214141