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730870070 = 25710995789
BaseRepresentation
bin101011100100000…
…011000100110110
31212221021001020212
4223210003010312
52444100320240
6200305025422
724053202350
oct5344030466
91787231225
10730870070
11345614557
12184925272
13b855a3c8
146d0d20d0
154426e165
hex2b903136

730870070 has 32 divisors (see below), whose sum is σ = 1517313600. Its totient is φ = 248282496.

The previous prime is 730870051. The next prime is 730870073. The reversal of 730870070 is 70078037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730870073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40265 + ... + 55524.

It is an arithmetic number, because the mean of its divisors is an integer number (47416050).

Almost surely, 2730870070 is an apocalyptic number.

730870070 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

730870070 is an abundant number, since it is smaller than the sum of its proper divisors (786443530).

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

730870070 is a wasteful number, since it uses less digits than its factorization.

730870070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95912.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 730870070 is about 27034.6087450882. The cubic root of 730870070 is about 900.7689190152.

The spelling of 730870070 in words is "seven hundred thirty million, eight hundred seventy thousand, seventy".

Divisors: 1 2 5 7 10 14 35 70 109 218 545 763 1090 1526 3815 7630 95789 191578 478945 670523 957890 1341046 3352615 6705230 10441001 20882002 52205005 73087007 104410010 146174014 365435035 730870070