Search a number
-
+
120230070 = 2358814549
BaseRepresentation
bin1110010101010…
…01000010110110
322101020022122120
413022221002312
5221234330240
615532540410
72656636662
oct712510266
9271208576
10120230070
11619596a4
1234321706
131bba786c
1411d798a2
15a84dad0
hex72a90b6

120230070 has 32 divisors (see below), whose sum is σ = 288943200. Its totient is φ = 32017920.

The previous prime is 120230063. The next prime is 120230113. The reversal of 120230070 is 70032021.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 15 ways as a sum of consecutive naturals, for example, 24156 + ... + 28704.

It is an arithmetic number, because the mean of its divisors is an integer number (9029475).

Almost surely, 2120230070 is an apocalyptic number.

120230070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120230070 is an abundant number, since it is smaller than the sum of its proper divisors (168713130).

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

120230070 is a wasteful number, since it uses less digits than its factorization.

120230070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5440.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 120230070 is about 10964.9473322949. The cubic root of 120230070 is about 493.5574366333.

Adding to 120230070 its reverse (70032021), we get a palindrome (190262091).

The spelling of 120230070 in words is "one hundred twenty million, two hundred thirty thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 881 1762 2643 4405 4549 5286 8810 9098 13215 13647 22745 26430 27294 45490 68235 136470 4007669 8015338 12023007 20038345 24046014 40076690 60115035 120230070