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120506206 = 2538313697
BaseRepresentation
bin1110010111011…
…00011101011110
322101202100102211
413023230131132
5221322144311
615542511034
72662200022
oct713543536
9271670384
10120506206
1162028107
123443547a
131bc73462
141200c382
15a8a5821
hex72ec75e

120506206 has 16 divisors (see below), whose sum is σ = 186402384. Its totient is φ = 58399744.

The previous prime is 120506203. The next prime is 120506219. The reversal of 120506206 is 602605021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120506203) by changing a digit.

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, 1950 + ... + 15646.

It is an arithmetic number, because the mean of its divisors is an integer number (11650149).

Almost surely, 2120506206 is an apocalyptic number.

120506206 is a deficient number, since it is larger than the sum of its proper divisors (65896178).

120506206 is a wasteful number, since it uses less digits than its factorization.

120506206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13835.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 120506206 is about 10977.5318719647. The cubic root of 120506206 is about 493.9350037693.

The spelling of 120506206 in words is "one hundred twenty million, five hundred six thousand, two hundred six".

Divisors: 1 2 53 83 106 166 4399 8798 13697 27394 725941 1136851 1451882 2273702 60253103 120506206