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5372421 = 31994253
BaseRepresentation
bin10100011111101000000101
3101002221120120
4110133220011
52333404141
6311052153
763444015
oct24375005
911087516
105372421
11303a41a
121971059
131161462
149dbc45
15711c66
hex51fa05

5372421 has 8 divisors (see below), whose sum is σ = 7540320. Its totient is φ = 3393072.

The previous prime is 5372417. The next prime is 5372443. The reversal of 5372421 is 1242735.

5372421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 5372421 - 22 = 5372417 is a prime.

It is an Ulam number.

5372421 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5372391 and 5372400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5372401) 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, 47070 + ... + 47183.

It is an arithmetic number, because the mean of its divisors is an integer number (942540).

Almost surely, 25372421 is an apocalyptic number.

It is an amenable number.

5372421 is a deficient number, since it is larger than the sum of its proper divisors (2167899).

5372421 is a wasteful number, since it uses less digits than its factorization.

5372421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94275.

The product of its digits is 1680, while the sum is 24.

The square root of 5372421 is about 2317.8483556954. The cubic root of 5372421 is about 175.1418822160.

The spelling of 5372421 in words is "five million, three hundred seventy-two thousand, four hundred twenty-one".

Divisors: 1 3 19 57 94253 282759 1790807 5372421