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730149 = 3724967
BaseRepresentation
bin10110010010000100101
31101002120120
42302100211
5141331044
623352153
76130500
oct2622045
91332516
10730149
11459632
122b2659
131c7454
14150137
15e6519
hexb2425

730149 has 12 divisors (see below), whose sum is σ = 1132704. Its totient is φ = 417144.

The previous prime is 730139. The next prime is 730157. The reversal of 730149 is 941037.

It is not a de Polignac number, because 730149 - 27 = 730021 is a prime.

730149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2337 + ... + 2630.

It is an arithmetic number, because the mean of its divisors is an integer number (94392).

2730149 is an apocalyptic number.

It is an amenable number.

730149 is a deficient number, since it is larger than the sum of its proper divisors (402555).

730149 is a wasteful number, since it uses less digits than its factorization.

730149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4984 (or 4977 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 730149 is about 854.4875657375. The cubic root of 730149 is about 90.0472591304.

The spelling of 730149 in words is "seven hundred thirty thousand, one hundred forty-nine".

Divisors: 1 3 7 21 49 147 4967 14901 34769 104307 243383 730149