Search a number
-
+
120897020 = 22513744123
BaseRepresentation
bin1110011010010…
…11110111111100
322102111012112102
413031023313330
5221422201040
615555124232
72665415306
oct715136774
9272435472
10120897020
11622747a2
12345a3678
131c07c2ca
14120b0976
15a931515
hex734bdfc

120897020 has 24 divisors (see below), whose sum is σ = 255742704. Its totient is φ = 48004736.

The previous prime is 120896999. The next prime is 120897041. The reversal of 120897020 is 20798021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120896999) and next prime (120897041).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19322 + ... + 24801.

It is an arithmetic number, because the mean of its divisors is an integer number (10655946).

Almost surely, 2120897020 is an apocalyptic number.

120897020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120897020 is an abundant number, since it is smaller than the sum of its proper divisors (134845684).

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

120897020 is a wasteful number, since it uses less digits than its factorization.

120897020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44269 (or 44267 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 120897020 is about 10995.3180945346. The cubic root of 120897020 is about 494.4683882227.

The spelling of 120897020 in words is "one hundred twenty million, eight hundred ninety-seven thousand, twenty".

Divisors: 1 2 4 5 10 20 137 274 548 685 1370 2740 44123 88246 176492 220615 441230 882460 6044851 12089702 24179404 30224255 60448510 120897020