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388070 = 25151257
BaseRepresentation
bin1011110101111100110
3201201022222
41132233212
544404240
612152342
73204254
oct1365746
9651288
10388070
11245621
121686b2
13107837
14a15d4
1579eb5
hex5ebe6

388070 has 16 divisors (see below), whose sum is σ = 705888. Its totient is φ = 153600.

The previous prime is 388067. The next prime is 388081. The reversal of 388070 is 70883.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 388070.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1382 + ... + 1638.

It is an arithmetic number, because the mean of its divisors is an integer number (44118).

2388070 is an apocalyptic number.

388070 is a deficient number, since it is larger than the sum of its proper divisors (317818).

388070 is a wasteful number, since it uses less digits than its factorization.

388070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 388070 is about 622.9526466755. The cubic root of 388070 is about 72.9407162394.

The spelling of 388070 in words is "three hundred eighty-eight thousand, seventy".

Divisors: 1 2 5 10 151 257 302 514 755 1285 1510 2570 38807 77614 194035 388070