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3628407 = 31209469
BaseRepresentation
bin1101110101110101110111
320211100020110
431311311313
51412102112
6205434103
742561306
oct15656567
96740213
103628407
112059092
12126b933
139a06b3
146a643d
154ba13c
hex375d77

3628407 has 4 divisors (see below), whose sum is σ = 4837880. Its totient is φ = 2418936.

The previous prime is 3628403. The next prime is 3628421. The reversal of 3628407 is 7048263.

3628407 is nontrivially palindromic in base 4.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3628407 - 22 = 3628403 is a prime.

It is a D-number.

It is a Duffinian number.

3628407 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3628403) 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, 604732 + ... + 604737.

It is an arithmetic number, because the mean of its divisors is an integer number (1209470).

Almost surely, 23628407 is an apocalyptic number.

3628407 is a deficient number, since it is larger than the sum of its proper divisors (1209473).

3628407 is a wasteful number, since it uses less digits than its factorization.

3628407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209472.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 3628407 is about 1904.8377883694. The cubic root of 3628407 is about 153.6639521157.

The spelling of 3628407 in words is "three million, six hundred twenty-eight thousand, four hundred seven".

Divisors: 1 3 1209469 3628407