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64444101 = 322396329
BaseRepresentation
bin1111010111010…
…1011011000101
311111021002200120
43311311123011
5112444202401
610221132153
71411523451
oct365653305
9144232616
1064444101
1133416897
12196ba059
1310474a07
1487b7661
1559ce836
hex3d756c5

64444101 has 8 divisors (see below), whose sum is σ = 86311680. Its totient is φ = 42769632.

The previous prime is 64444069. The next prime is 64444103. The reversal of 64444101 is 10144446.

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

It is not a de Polignac number, because 64444101 - 25 = 64444069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64444103) 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, 47496 + ... + 48833.

It is an arithmetic number, because the mean of its divisors is an integer number (10788960).

Almost surely, 264444101 is an apocalyptic number.

It is an amenable number.

64444101 is a deficient number, since it is larger than the sum of its proper divisors (21867579).

64444101 is a wasteful number, since it uses less digits than its factorization.

64444101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96555.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 64444101 is about 8027.7083280348. The cubic root of 64444101 is about 400.9230785928.

Adding to 64444101 its reverse (10144446), we get a palindrome (74588547).

The spelling of 64444101 in words is "sixty-four million, four hundred forty-four thousand, one hundred one".

Divisors: 1 3 223 669 96329 288987 21481367 64444101