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120403422 = 2346711093
BaseRepresentation
bin1110010110100…
…11010111011110
322101120010110000
413023103113132
5221310402142
615540355130
72661261246
oct713232736
9271503400
10120403422
1161a67967
12343a5aa6
131bc38739
1411dc2b26
15a88514c
hex72d35de

120403422 has 40 divisors (see below), whose sum is σ = 273844296. Its totient is φ = 39531888.

The previous prime is 120403379. The next prime is 120403427. The reversal of 120403422 is 224304021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120403395 and 120403404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120403427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5308 + ... + 16400.

Almost surely, 2120403422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120403422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136922148).

120403422 is an abundant number, since it is smaller than the sum of its proper divisors (153440874).

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

120403422 is a wasteful number, since it uses less digits than its factorization.

120403422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11174 (or 11165 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 120403422 is about 10972.8493109128. The cubic root of 120403422 is about 493.7945322864.

Adding to 120403422 its reverse (224304021), we get a palindrome (344707443).

The spelling of 120403422 in words is "one hundred twenty million, four hundred three thousand, four hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 67 81 134 162 201 402 603 1206 1809 3618 5427 10854 11093 22186 33279 66558 99837 199674 299511 599022 743231 898533 1486462 1797066 2229693 4459386 6689079 13378158 20067237 40134474 60201711 120403422