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120664320 = 28357672
BaseRepresentation
bin1110011000100…
…11000100000000
322102001101022220
413030103010000
5221342224240
615550131040
72663426010
oct714230400
9272041286
10120664320
1162125987
12344b0a80
131bcca40a
141204dc40
15a8d75d0
hex7313100

120664320 has 216 divisors, whose sum is σ = 447096384. Its totient is φ = 27168768.

The previous prime is 120664309. The next prime is 120664337. The reversal of 120664320 is 23466021.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 1800927 + ... + 1800993.

Almost surely, 2120664320 is an apocalyptic number.

120664320 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 120664320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223548192).

120664320 is an abundant number, since it is smaller than the sum of its proper divisors (326432064).

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

120664320 is an frugal number, since it uses more digits than its factorization.

120664320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 120664320 is about 10984.7312211087. The cubic root of 120664320 is about 494.1509370662.

The spelling of 120664320 in words is "one hundred twenty million, six hundred sixty-four thousand, three hundred twenty".