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3428537 = 7489791
BaseRepresentation
bin1101000101000010111001
320110012001212
431011002321
51334203122
6201252505
741066510
oct15050271
96405055
103428537
111a31a02
121194135
13930728
14653677
1547ace2
hex3450b9

3428537 has 4 divisors (see below), whose sum is σ = 3918336. Its totient is φ = 2938740.

The previous prime is 3428501. The next prime is 3428563. The reversal of 3428537 is 7358243.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7358243 = 13952937.

It is not a de Polignac number, because 3428537 - 26 = 3428473 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3428567) 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, 244889 + ... + 244902.

It is an arithmetic number, because the mean of its divisors is an integer number (979584).

Almost surely, 23428537 is an apocalyptic number.

It is an amenable number.

3428537 is a deficient number, since it is larger than the sum of its proper divisors (489799).

3428537 is an equidigital number, since it uses as much as digits as its factorization.

3428537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489798.

The product of its digits is 20160, while the sum is 32.

The square root of 3428537 is about 1851.6309027449. The cubic root of 3428537 is about 150.7889834982.

The spelling of 3428537 in words is "three million, four hundred twenty-eight thousand, five hundred thirty-seven".

Divisors: 1 7 489791 3428537