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5146021 = 29612909
BaseRepresentation
bin10011101000010110100101
3100200110000101
4103220112211
52304133041
6302144101
761511656
oct23502645
910613011
105146021
1129a5311
121882031
1310b23aa
1497d52d
156b9b31
hex4e85a5

5146021 has 8 divisors (see below), whose sum is σ = 5412600. Its totient is φ = 4885440.

The previous prime is 5146003. The next prime is 5146061. The reversal of 5146021 is 1206415.

It can be written as a sum of positive squares in 4 ways, for example, as 476100 + 4669921 = 690^2 + 2161^2 .

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 5146021 - 213 = 5137829 is a prime.

It is a Duffinian number.

5146021 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5146021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5146061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315 + ... + 3223.

It is an arithmetic number, because the mean of its divisors is an integer number (676575).

Almost surely, 25146021 is an apocalyptic number.

It is an amenable number.

5146021 is a deficient number, since it is larger than the sum of its proper divisors (266579).

5146021 is a wasteful number, since it uses less digits than its factorization.

5146021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 5146021 is about 2268.4842957358. The cubic root of 5146021 is about 172.6462639604.

The spelling of 5146021 in words is "five million, one hundred forty-six thousand, twenty-one".

Divisors: 1 29 61 1769 2909 84361 177449 5146021