Search a number
-
+
120000432 = 2432500009
BaseRepresentation
bin1110010011100…
…00111110110000
322100210122122110
413021300332300
5221210003212
615524005320
72654662326
oct711607660
9270718573
10120000432
1161812112
1234230840
131bb27196
1411d19d16
15a805a3c
hex7270fb0

120000432 has 20 divisors (see below), whose sum is σ = 310001240. Its totient is φ = 40000128.

The previous prime is 120000403. The next prime is 120000449. The reversal of 120000432 is 234000021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249957 + ... + 1250052.

It is an arithmetic number, because the mean of its divisors is an integer number (15500062).

Almost surely, 2120000432 is an apocalyptic number.

120000432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120000432 is an abundant number, since it is smaller than the sum of its proper divisors (190000808).

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

120000432 is a wasteful number, since it uses less digits than its factorization.

120000432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500020 (or 2500014 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 120000432 is about 10954.4708680976. The cubic root of 120000432 is about 493.2430067563.

Adding to 120000432 its reverse (234000021), we get a palindrome (354000453).

It can be divided in two parts, 120000 and 432, that multiplied together give a square (51840000 = 72002).

The spelling of 120000432 in words is "one hundred twenty million, four hundred thirty-two", and thus it is an aban number.

Divisors: 1 2 3 4 6 8 12 16 24 48 2500009 5000018 7500027 10000036 15000054 20000072 30000108 40000144 60000216 120000432