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1400012441 = 17161950867
BaseRepresentation
bin101001101110010…
…0111111010011001
310121120101000000122
41103130213322121
510331400344231
6350531043025
746456623632
oct12334477231
93546330018
101400012441
116592a8083
12330a40475
13194084339
14d3d16889
1582d9877b
hex53727e99

1400012441 has 8 divisors (see below), whose sum is σ = 1483310880. Its totient is φ = 1316819008.

The previous prime is 1400012429. The next prime is 1400012443. The reversal of 1400012441 is 1442100041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1400012441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400012443) 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, 2090 + ... + 52956.

It is an arithmetic number, because the mean of its divisors is an integer number (185413860).

Almost surely, 21400012441 is an apocalyptic number.

It is an amenable number.

1400012441 is a deficient number, since it is larger than the sum of its proper divisors (83298439).

1400012441 is a wasteful number, since it uses less digits than its factorization.

1400012441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52503.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1400012441 is about 37416.7401172256. The cubic root of 1400012441 is about 1118.6922557880.

Adding to 1400012441 its reverse (1442100041), we get a palindrome (2842112482).

The spelling of 1400012441 in words is "one billion, four hundred million, twelve thousand, four hundred forty-one".

Divisors: 1 17 1619 27523 50867 864739 82353673 1400012441