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730434 = 23236779
BaseRepresentation
bin10110010010101000010
31101002222010
42302111002
5141333214
623353350
76131355
oct2622502
91332863
10730434
11459871
122b2856
131c7613
1415029c
15e6659
hexb2542

730434 has 32 divisors (see below), whose sum is σ = 1566720. Its totient is φ = 226512.

The previous prime is 730421. The next prime is 730447. The reversal of 730434 is 434037.

It is an interprime number because it is at equal distance from previous prime (730421) and next prime (730447).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 730434.

It is an unprimeable number.

730434 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9207 + ... + 9285.

It is an arithmetic number, because the mean of its divisors is an integer number (48960).

2730434 is an apocalyptic number.

730434 is an abundant number, since it is smaller than the sum of its proper divisors (836286).

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

730434 is a wasteful number, since it uses less digits than its factorization.

730434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 730434 is about 854.6543160834. The cubic root of 730434 is about 90.0589736939.

The spelling of 730434 in words is "seven hundred thirty thousand, four hundred thirty-four".

Divisors: 1 2 3 6 23 46 67 69 79 134 138 158 201 237 402 474 1541 1817 3082 3634 4623 5293 5451 9246 10586 10902 15879 31758 121739 243478 365217 730434