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120081976 = 23719112859
BaseRepresentation
bin1110010100001…
…00111000111000
322100221210111121
413022010320320
5221220110401
615525435024
72655452140
oct712047070
9270853447
10120081976
1161868403
123426ba74
131bb55331
1411d3b920
15a81eca1
hex7284e38

120081976 has 32 divisors (see below), whose sum is σ = 270864000. Its totient is φ = 48754656.

The previous prime is 120081917. The next prime is 120081979. The reversal of 120081976 is 679180021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120081979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55366 + ... + 57493.

It is an arithmetic number, because the mean of its divisors is an integer number (8464500).

Almost surely, 2120081976 is an apocalyptic number.

It is an amenable number.

120081976 is an abundant number, since it is smaller than the sum of its proper divisors (150782024).

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

120081976 is a wasteful number, since it uses less digits than its factorization.

120081976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112891 (or 112887 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 120081976 is about 10958.1921866702. The cubic root of 120081976 is about 493.3547060784.

The spelling of 120081976 in words is "one hundred twenty million, eighty-one thousand, nine hundred seventy-six".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 133 152 266 532 1064 112859 225718 451436 790013 902872 1580026 2144321 3160052 4288642 6320104 8577284 15010247 17154568 30020494 60040988 120081976