Search a number
-
+
1440104101 = 31122937799
BaseRepresentation
bin101010111010110…
…0011111010100101
310201100210212102221
41111311203322211
510422131312401
6354522232341
750454453142
oct12565437245
93640725387
101440104101
116799a0587
123423556b1
1319c480807
14d93913c9
15866677a1
hex55d63ea5

1440104101 has 8 divisors (see below), whose sum is σ = 1487808000. Its totient is φ = 1392478320.

The previous prime is 1440104093. The next prime is 1440104201. The reversal of 1440104101 is 1014010441.

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

It is a cyclic number.

It is not a de Polignac number, because 1440104101 - 23 = 1440104093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440104201) 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, 19200 + ... + 56998.

It is an arithmetic number, because the mean of its divisors is an integer number (185976000).

Almost surely, 21440104101 is an apocalyptic number.

It is an amenable number.

1440104101 is a deficient number, since it is larger than the sum of its proper divisors (47703899).

1440104101 is a wasteful number, since it uses less digits than its factorization.

1440104101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39059.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1440104101 is about 37948.7035483427. The cubic root of 1440104101 is about 1129.2704458881.

Adding to 1440104101 its reverse (1014010441), we get a palindrome (2454114542).

The spelling of 1440104101 in words is "one billion, four hundred forty million, one hundred four thousand, one hundred one".

Divisors: 1 31 1229 37799 38099 1171769 46454971 1440104101