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34492821 = 3111045237
BaseRepresentation
bin1000001110010…
…1000110010101
32101220102020220
42003211012111
532312232241
63231144553
7566120106
oct203450625
971812226
1034492821
1118519a70
12b675159
1371b8c6c
14481c3ad
153065166
hex20e5195

34492821 has 8 divisors (see below), whose sum is σ = 50171424. Its totient is φ = 20904720.

The previous prime is 34492811. The next prime is 34492831. The reversal of 34492821 is 12829443.

It is an interprime number because it is at equal distance from previous prime (34492811) and next prime (34492831).

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

It is not a de Polignac number, because 34492821 - 25 = 34492789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1045237 = 34492821 / (3 + 4 + 4 + 9 + 2 + 8 + 2 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34492811) 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, 522586 + ... + 522651.

It is an arithmetic number, because the mean of its divisors is an integer number (6271428).

Almost surely, 234492821 is an apocalyptic number.

It is an amenable number.

34492821 is a deficient number, since it is larger than the sum of its proper divisors (15678603).

34492821 is a wasteful number, since it uses less digits than its factorization.

34492821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045251.

The product of its digits is 13824, while the sum is 33.

The square root of 34492821 is about 5873.0589133773. The cubic root of 34492821 is about 325.5189216964.

The spelling of 34492821 in words is "thirty-four million, four hundred ninety-two thousand, eight hundred twenty-one".

Divisors: 1 3 11 33 1045237 3135711 11497607 34492821