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3438145 = 51936191
BaseRepresentation
bin1101000111011001000001
320110200020201
431013121001
51340010040
6201405201
741136514
oct15073101
96420221
103438145
111a39147
121199801
13934c09
14656d7b
1547da9a
hex347641

3438145 has 8 divisors (see below), whose sum is σ = 4343040. Its totient is φ = 2605680.

The previous prime is 3438139. The next prime is 3438157. The reversal of 3438145 is 5418343.

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

It is a de Polignac number, because none of the positive numbers 2k-3438145 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18001 + ... + 18190.

It is an arithmetic number, because the mean of its divisors is an integer number (542880).

Almost surely, 23438145 is an apocalyptic number.

It is an amenable number.

3438145 is a deficient number, since it is larger than the sum of its proper divisors (904895).

3438145 is a wasteful number, since it uses less digits than its factorization.

3438145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36215.

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

The square root of 3438145 is about 1854.2235571797. The cubic root of 3438145 is about 150.9297072064.

The spelling of 3438145 in words is "three million, four hundred thirty-eight thousand, one hundred forty-five".

Divisors: 1 5 19 95 36191 180955 687629 3438145