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749106 = 23241617
BaseRepresentation
bin10110110111000110010
31102001120200
42312320302
5142432411
624020030
76236661
oct2667062
91361520
10749106
114718a6
12301616
13202c77
14156dd8
15ebe56
hexb6e32

749106 has 12 divisors (see below), whose sum is σ = 1623102. Its totient is φ = 249696.

The previous prime is 749093. The next prime is 749129. The reversal of 749106 is 601947.

It can be written as a sum of positive squares in only one way, i.e., 378225 + 370881 = 615^2 + 609^2 .

It is a super-2 number, since 2×7491062 = 1122319598472, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 749106.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 20791 + ... + 20826.

2749106 is an apocalyptic number.

749106 is an abundant number, since it is smaller than the sum of its proper divisors (873996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

749106 is a wasteful number, since it uses less digits than its factorization.

749106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41625 (or 41622 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 749106 is about 865.5090987390. The cubic root of 749106 is about 90.8199151592.

It can be divided in two parts, 74 and 9106, that added together give a triangular number (9180 = T135).

The spelling of 749106 in words is "seven hundred forty-nine thousand, one hundred six".

Divisors: 1 2 3 6 9 18 41617 83234 124851 249702 374553 749106