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122421244 = 22114179859
BaseRepresentation
bin1110100101111…
…11111111111100
322112100122101011
413102333333330
5222314434434
620051525004
73014364151
oct722777774
9275318334
10122421244
1163115990
1234bb9764
131c49400a
141238a228
15ab32e64
hex74bfffc

122421244 has 48 divisors (see below), whose sum is σ = 242726400. Its totient is φ = 53539200.

The previous prime is 122421241. The next prime is 122421281. The reversal of 122421244 is 442124221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122421241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142087 + ... + 142945.

It is an arithmetic number, because the mean of its divisors is an integer number (5056800).

Almost surely, 2122421244 is an apocalyptic number.

It is an amenable number.

122421244 is a deficient number, since it is larger than the sum of its proper divisors (120305156).

122421244 is a wasteful number, since it uses less digits than its factorization.

122421244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994 (or 992 counting only the distinct ones).

The product of its digits is 1024, while the sum is 22.

The square root of 122421244 is about 11064.4134051472. The cubic root of 122421244 is about 496.5377395085.

Adding to 122421244 its reverse (442124221), we get a palindrome (564545465).

The spelling of 122421244 in words is "one hundred twenty-two million, four hundred twenty-one thousand, two hundred forty-four".

Divisors: 1 2 4 11 22 41 44 79 82 158 164 316 451 859 869 902 1718 1738 1804 3239 3436 3476 6478 9449 12956 18898 35219 35629 37796 67861 70438 71258 135722 140876 142516 271444 387409 746471 774818 1492942 1549636 2782301 2985884 5564602 11129204 30605311 61210622 122421244