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730805070 = 23524360169
BaseRepresentation
bin101011100011110…
…011001101001110
31212221010202002110
4223203303031032
52444041230240
6200303404450
724052512012
oct5343631516
91787122073
10730805070
1134557a736
121848b3726
13b8536948
146d0b6542
1544259c80
hex2b8f334e

730805070 has 16 divisors (see below), whose sum is σ = 1753932240. Its totient is φ = 194881344.

The previous prime is 730805051. The next prime is 730805083. The reversal of 730805070 is 70508037.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 24360169 = 730805070 / (7 + 3 + 0 + 8 + 0 + 5 + 0 + 7 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12180055 + ... + 12180114.

It is an arithmetic number, because the mean of its divisors is an integer number (109620765).

Almost surely, 2730805070 is an apocalyptic number.

730805070 is an abundant number, since it is smaller than the sum of its proper divisors (1023127170).

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

730805070 is a wasteful number, since it uses less digits than its factorization.

730805070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24360179.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 730805070 is about 27033.4065555934. The cubic root of 730805070 is about 900.7422149001.

The spelling of 730805070 in words is "seven hundred thirty million, eight hundred five thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 24360169 48720338 73080507 121800845 146161014 243601690 365402535 730805070