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1398080212 = 222391462427
BaseRepresentation
bin101001101010101…
…0000001011010100
310121102201211111121
41103111100023110
510330402031322
6350421413324
746434325414
oct12325201324
93542654447
101398080212
116581a83a1
1233026a244
131938589c9
14d3972644
1582b15ec7
hex535502d4

1398080212 has 12 divisors (see below), whose sum is σ = 2456879040. Its totient is φ = 696114776.

The previous prime is 1398080141. The next prime is 1398080213. The reversal of 1398080212 is 2120808931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1398080213) 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 3 ways as a sum of consecutive naturals, for example, 730258 + ... + 732169.

It is an arithmetic number, because the mean of its divisors is an integer number (204739920).

Almost surely, 21398080212 is an apocalyptic number.

It is an amenable number.

1398080212 is a deficient number, since it is larger than the sum of its proper divisors (1058798828).

1398080212 is a wasteful number, since it uses less digits than its factorization.

1398080212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462670 (or 1462668 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 1398080212 is about 37390.9108206794. The cubic root of 1398080212 is about 1118.1773639796.

The spelling of 1398080212 in words is "one billion, three hundred ninety-eight million, eighty thousand, two hundred twelve".

Divisors: 1 2 4 239 478 956 1462427 2924854 5849708 349520053 699040106 1398080212