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5466421 = 15493529
BaseRepresentation
bin10100110110100100110101
3101021201112001
4110312210311
52344411141
6313055301
764315042
oct24664465
911251461
105466421
1130a4004
1219b7531
13119518c
14a241c9
1572ea31
hex536935

5466421 has 4 divisors (see below), whose sum is σ = 5471500. Its totient is φ = 5461344.

The previous prime is 5466403. The next prime is 5466427. The reversal of 5466421 is 1246645.

It is the 955-th star number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1246645 = 5249329.

It can be written as a sum of positive squares in 2 ways, for example, as 1102500 + 4363921 = 1050^2 + 2089^2 .

It is a cyclic number.

It is not a de Polignac number, because 5466421 - 29 = 5465909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5466421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5466427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216 + ... + 3313.

It is an arithmetic number, because the mean of its divisors is an integer number (1367875).

Almost surely, 25466421 is an apocalyptic number.

It is an amenable number.

5466421 is a deficient number, since it is larger than the sum of its proper divisors (5079).

5466421 is a wasteful number, since it uses less digits than its factorization.

5466421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5078.

The product of its digits is 5760, while the sum is 28.

The square root of 5466421 is about 2338.0378525593. The cubic root of 5466421 is about 176.1574542227.

The spelling of 5466421 in words is "five million, four hundred sixty-six thousand, four hundred twenty-one".

Divisors: 1 1549 3529 5466421