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122421310 = 25111112921
BaseRepresentation
bin1110100110000…
…00000000111110
322112100122110121
413103000000332
5222314440220
620051525154
73014364304
oct723000076
9275318417
10122421310
1163115a40
1234bb97ba
131c49405b
141238a274
15ab32eaa
hex74c003e

122421310 has 16 divisors (see below), whose sum is σ = 240391152. Its totient is φ = 44516800.

The previous prime is 122421293. The next prime is 122421311. The reversal of 122421310 is 13124221.

It is a super-2 number, since 2×1224213102 = 29973954284232200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122421311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556351 + ... + 556570.

It is an arithmetic number, because the mean of its divisors is an integer number (15024447).

Almost surely, 2122421310 is an apocalyptic number.

122421310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122421310 is a deficient number, since it is larger than the sum of its proper divisors (117969842).

122421310 is a wasteful number, since it uses less digits than its factorization.

122421310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112939.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 122421310 is about 11064.4163876817. The cubic root of 122421310 is about 496.5378287400.

Adding to 122421310 its reverse (13124221), we get a palindrome (135545531).

The spelling of 122421310 in words is "one hundred twenty-two million, four hundred twenty-one thousand, three hundred ten".

Divisors: 1 2 5 10 11 22 55 110 1112921 2225842 5564605 11129210 12242131 24484262 61210655 122421310