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122504028 = 22315236703
BaseRepresentation
bin1110100110101…
…00001101011100
322112111211221020
413103110031130
5222330112103
620053404140
73015160413
oct723241534
9275454836
10122504028
11631720a9
1235039650
131c4c28ba
14123ac47a
15ab4c753
hex74d435c

122504028 has 24 divisors (see below), whose sum is σ = 286073088. Its totient is φ = 40801776.

The previous prime is 122504027. The next prime is 122504029. The reversal of 122504028 is 820405221.

It is an interprime number because it is at equal distance from previous prime (122504027) and next prime (122504029).

It is a junction number, because it is equal to n+sod(n) for n = 122503989 and 122504007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122504027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14925 + ... + 21627.

It is an arithmetic number, because the mean of its divisors is an integer number (11919712).

Almost surely, 2122504028 is an apocalyptic number.

It is an amenable number.

122504028 is an abundant number, since it is smaller than the sum of its proper divisors (163569060).

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

122504028 is a wasteful number, since it uses less digits than its factorization.

122504028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8233 (or 8231 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 122504028 is about 11068.1537755852. The cubic root of 122504028 is about 496.6496376206.

Adding to 122504028 its reverse (820405221), we get a palindrome (942909249).

The spelling of 122504028 in words is "one hundred twenty-two million, five hundred four thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 1523 3046 4569 6092 6703 9138 13406 18276 20109 26812 40218 80436 10208669 20417338 30626007 40834676 61252014 122504028