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120010542 = 23167119771
BaseRepresentation
bin1110010011100…
…11011100101110
322100211011111220
413021303130232
5221210314132
615524124210
72655033651
oct711633456
9270734456
10120010542
1161819773
1234236666
131bb2b972
1411d1d898
15a808a2c
hex727372e

120010542 has 16 divisors (see below), whose sum is σ = 241460352. Its totient is φ = 39763640.

The previous prime is 120010511. The next prime is 120010547. The reversal of 120010542 is 245010021.

It is a super-2 number, since 2×1200105422 = 28805060382267528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120010547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58884 + ... + 60887.

It is an arithmetic number, because the mean of its divisors is an integer number (15091272).

Almost surely, 2120010542 is an apocalyptic number.

120010542 is an abundant number, since it is smaller than the sum of its proper divisors (121449810).

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

120010542 is a wasteful number, since it uses less digits than its factorization.

120010542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119943.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 120010542 is about 10954.9323138028. The cubic root of 120010542 is about 493.2568582252.

Adding to 120010542 its reverse (245010021), we get a palindrome (365020563).

The spelling of 120010542 in words is "one hundred twenty million, ten thousand, five hundred forty-two".

Divisors: 1 2 3 6 167 334 501 1002 119771 239542 359313 718626 20001757 40003514 60005271 120010542