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730130140 = 22536506507
BaseRepresentation
bin101011100001001…
…110011011011100
31212212212110021001
4223201032123130
52443403131030
6200241120044
724044001205
oct5341163334
91785773231
10730130140
11345159643
12184629024
13b835b68c
146cd7c5ac
1544174cca
hex2b84e6dc

730130140 has 12 divisors (see below), whose sum is σ = 1533273336. Its totient is φ = 292052048.

The previous prime is 730130123. The next prime is 730130143. The reversal of 730130140 is 41031037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730130143) 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, 18253234 + ... + 18253273.

It is an arithmetic number, because the mean of its divisors is an integer number (127772778).

Almost surely, 2730130140 is an apocalyptic number.

It is an amenable number.

730130140 is an abundant number, since it is smaller than the sum of its proper divisors (803143196).

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

730130140 is a wasteful number, since it uses less digits than its factorization.

730130140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36506516 (or 36506514 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 730130140 is about 27020.9204136351. The cubic root of 730130140 is about 900.4648380653.

Adding to 730130140 its reverse (41031037), we get a palindrome (771161177).

The spelling of 730130140 in words is "seven hundred thirty million, one hundred thirty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 36506507 73013014 146026028 182532535 365065070 730130140