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120827940 = 22353721471
BaseRepresentation
bin1110011001110…
…11000000100100
322102100200202220
413030323000210
5221412443230
615553432340
72665010022
oct714730044
9272320686
10120827940
1162227902
123456b6b0
131c056a2c
1412093712
15a91ad10
hex733b024

120827940 has 72 divisors (see below), whose sum is σ = 347945472. Its totient is φ = 31328640.

The previous prime is 120827933. The next prime is 120827951. The reversal of 120827940 is 49728021.

It is a happy number.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81405 + ... + 82875.

It is an arithmetic number, because the mean of its divisors is an integer number (4832576).

Almost surely, 2120827940 is an apocalyptic number.

120827940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120827940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173972736).

120827940 is an abundant number, since it is smaller than the sum of its proper divisors (227117532).

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

120827940 is a wasteful number, since it uses less digits than its factorization.

120827940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557 (or 1518 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 120827940 is about 10992.1763086297. The cubic root of 120827940 is about 494.3741912932.

The spelling of 120827940 in words is "one hundred twenty million, eight hundred twenty-seven thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 222 370 444 555 740 1110 1369 1471 2220 2738 2942 4107 4413 5476 5884 6845 7355 8214 8826 13690 14710 16428 17652 20535 22065 27380 29420 41070 44130 54427 82140 88260 108854 163281 217708 272135 326562 544270 653124 816405 1088540 1632810 2013799 3265620 4027598 6041397 8055196 10068995 12082794 20137990 24165588 30206985 40275980 60413970 120827940