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65027121 = 342615087
BaseRepresentation
bin1111100000001…
…1110000110001
311112100201102220
43320003300301
5113121331441
610241431253
71416502305
oct370036061
9145321386
1065027121
1133784925
121993b529
131061a1b3
1488c9d05
155a97466
hex3e03c31

65027121 has 8 divisors (see below), whose sum is σ = 86740224. Its totient is φ = 43332720.

The previous prime is 65027117. The next prime is 65027129. The reversal of 65027121 is 12172056.

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

It is not a de Polignac number, because 65027121 - 22 = 65027117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65027091 and 65027100.

It is not an unprimeable number, because it can be changed into a prime (65027129) 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, 10240 + ... + 15326.

It is an arithmetic number, because the mean of its divisors is an integer number (10842528).

Almost surely, 265027121 is an apocalyptic number.

It is an amenable number.

65027121 is a deficient number, since it is larger than the sum of its proper divisors (21713103).

65027121 is a wasteful number, since it uses less digits than its factorization.

65027121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9351.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 65027121 is about 8063.9395459043. The cubic root of 65027121 is about 402.1284891617.

Adding to 65027121 its reverse (12172056), we get a palindrome (77199177).

The spelling of 65027121 in words is "sixty-five million, twenty-seven thousand, one hundred twenty-one".

Divisors: 1 3 4261 5087 12783 15261 21675707 65027121