Search a number
-
+
120603620 = 22553113777
BaseRepresentation
bin1110011000001…
…00001111100100
322101221022001202
413030010033210
5221333303440
615544542032
72663054024
oct714041744
9271838052
10120603620
1162094315
1234481918
131bca88b7
1412035a84
15a8c4615
hex73043e4

120603620 has 24 divisors (see below), whose sum is σ = 258048504. Its totient is φ = 47330816.

The previous prime is 120603599. The next prime is 120603631. The reversal of 120603620 is 26306021.

It can be written as a sum of positive squares in 4 ways, for example, as 350464 + 120253156 = 592^2 + 10966^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 120603592 and 120603601.

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, 55829 + ... + 57948.

It is an arithmetic number, because the mean of its divisors is an integer number (10752021).

Almost surely, 2120603620 is an apocalyptic number.

120603620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120603620 is an abundant number, since it is smaller than the sum of its proper divisors (137444884).

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

120603620 is a wasteful number, since it uses less digits than its factorization.

120603620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113839 (or 113837 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 120603620 is about 10981.9679475038. The cubic root of 120603620 is about 494.0680625458.

Adding to 120603620 its reverse (26306021), we get a palindrome (146909641).

The spelling of 120603620 in words is "one hundred twenty million, six hundred three thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 113777 227554 455108 568885 1137770 2275540 6030181 12060362 24120724 30150905 60301810 120603620