Search a number
-
+
120343860 = 223357133179
BaseRepresentation
bin1110010110001…
…00110100110100
322101110002202000
413023010310310
5221302000420
615535215300
72660622510
oct713046464
9271402660
10120343860
1161a2713a
1234377530
131bc175b0
1411da9140
15a872690
hex72c4d34

120343860 has 384 divisors, whose sum is σ = 481689600. Its totient is φ = 24261120.

The previous prime is 120343849. The next prime is 120343871. The reversal of 120343860 is 68343021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120343849) and next prime (120343871).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 127 ways as a sum of consecutive naturals, for example, 1523301 + ... + 1523379.

It is an arithmetic number, because the mean of its divisors is an integer number (1254400).

Almost surely, 2120343860 is an apocalyptic number.

120343860 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 120343860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240844800).

120343860 is an abundant number, since it is smaller than the sum of its proper divisors (361345740).

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

120343860 is a wasteful number, since it uses less digits than its factorization.

120343860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 120343860 is about 10970.1349125706. The cubic root of 120343860 is about 493.7130942879.

Adding to 120343860 its reverse (68343021), we get a palindrome (188686881).

The spelling of 120343860 in words is "one hundred twenty million, three hundred forty-three thousand, eight hundred sixty".