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745906 = 2753279
BaseRepresentation
bin10110110000110110010
31101220012011
42312012302
5142332111
623553134
76224440
oct2660662
91356164
10745906
1146a457
122bb7aa
13201685
14155b90
15eb021
hexb61b2

745906 has 8 divisors (see below), whose sum is σ = 1278720. Its totient is φ = 319668.

The previous prime is 745903. The next prime is 745931. The reversal of 745906 is 609547.

745906 is nontrivially palindromic in base 8.

745906 is digitally balanced in base 2, 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 an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (745903) 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, 26626 + ... + 26653.

It is an arithmetic number, because the mean of its divisors is an integer number (159840).

2745906 is an apocalyptic number.

745906 is a deficient number, since it is larger than the sum of its proper divisors (532814).

745906 is a wasteful number, since it uses less digits than its factorization.

745906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53288.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 745906 is about 863.6584973240. The cubic root of 745906 is about 90.6904103280.

The spelling of 745906 in words is "seven hundred forty-five thousand, nine hundred six".

Divisors: 1 2 7 14 53279 106558 372953 745906