Search a number
-
+
122260144 = 247641259
BaseRepresentation
bin1110100100110…
…00101010110000
322112001110101111
413102120222300
5222244311034
620044243104
73013123366
oct722305260
9275043344
10122260144
1163015946
1234b40494
131c4388a6
1412347636
15ab00364
hex7498ab0

122260144 has 10 divisors (see below), whose sum is σ = 236879060. Its totient is φ = 61130064.

The previous prime is 122260129. The next prime is 122260147. The reversal of 122260144 is 441062221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (122260147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3820614 + ... + 3820645.

It is an arithmetic number, because the mean of its divisors is an integer number (23687906).

Almost surely, 2122260144 is an apocalyptic number.

It is an amenable number.

122260144 is a deficient number, since it is larger than the sum of its proper divisors (114618916).

122260144 is an equidigital number, since it uses as much as digits as its factorization.

122260144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7641267 (or 7641261 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 122260144 is about 11057.1309117691. The cubic root of 122260144 is about 496.3198379379.

The spelling of 122260144 in words is "one hundred twenty-two million, two hundred sixty thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 7641259 15282518 30565036 61130072 122260144