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730260 = 223254057
BaseRepresentation
bin10110010010010010100
31101002201200
42302102110
5141332020
623352500
76131016
oct2622224
91332650
10730260
11459723
122b2730
131c750b
141501b6
15e6590
hexb2494

730260 has 36 divisors (see below), whose sum is σ = 2215668. Its totient is φ = 194688.

The previous prime is 730253. The next prime is 730277. The reversal of 730260 is 62037.

It can be written as a sum of positive squares in 2 ways, for example, as 318096 + 412164 = 564^2 + 642^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

730260 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 11 ways as a sum of consecutive naturals, for example, 1849 + ... + 2208.

2730260 is an apocalyptic number.

It is an amenable number.

730260 is an abundant number, since it is smaller than the sum of its proper divisors (1485408).

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

730260 is a wasteful number, since it uses less digits than its factorization.

730260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4072 (or 4067 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 730260 is about 854.5525144776. The cubic root of 730260 is about 90.0518220070.

Adding to 730260 its reverse (62037), we get a palindrome (792297).

It can be divided in two parts, 730 and 260, that added together give a triangular number (990 = T44).

The spelling of 730260 in words is "seven hundred thirty thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 4057 8114 12171 16228 20285 24342 36513 40570 48684 60855 73026 81140 121710 146052 182565 243420 365130 730260