Search a number
-
+
120888742 = 2132357659
BaseRepresentation
bin1110011010010…
…01110110100110
322102110210011211
413031021312212
5221421414432
615555022034
72665352212
oct715116646
9272423154
10120888742
1162269557
123459a91a
131c078600
14120ab942
15a92dd47
hex7349da6

120888742 has 12 divisors (see below), whose sum is σ = 196355340. Its totient is φ = 55794648.

The previous prime is 120888721. The next prime is 120888749. The reversal of 120888742 is 247888021.

It is a super-2 number, since 2×1208887422 = 29228175884685128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120888695 and 120888704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120888749) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178492 + ... + 179167.

It is an arithmetic number, because the mean of its divisors is an integer number (16362945).

Almost surely, 2120888742 is an apocalyptic number.

120888742 is a deficient number, since it is larger than the sum of its proper divisors (75466598).

120888742 is a wasteful number, since it uses less digits than its factorization.

120888742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357687 (or 357674 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 40.

The square root of 120888742 is about 10994.9416551431. The cubic root of 120888742 is about 494.4571023014.

The spelling of 120888742 in words is "one hundred twenty million, eight hundred eighty-eight thousand, seven hundred forty-two".

Divisors: 1 2 13 26 169 338 357659 715318 4649567 9299134 60444371 120888742