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122428412 = 22375991381
BaseRepresentation
bin1110100110000…
…01101111111100
322112101000012122
413103001233330
5222320202122
620052022112
73014424101
oct723015774
9275330178
10122428412
1163120307
1235001938
131c497362
141238caa8
15ab35142
hex74c1bfc

122428412 has 24 divisors (see below), whose sum is σ = 220567200. Its totient is φ = 59417280.

The previous prime is 122428409. The next prime is 122428421. The reversal of 122428412 is 214824221.

It is a congruent number.

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, 87962 + ... + 89342.

It is an arithmetic number, because the mean of its divisors is an integer number (9190300).

Almost surely, 2122428412 is an apocalyptic number.

It is an amenable number.

122428412 is a deficient number, since it is larger than the sum of its proper divisors (98138788).

122428412 is a wasteful number, since it uses less digits than its factorization.

122428412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021 (or 2019 counting only the distinct ones).

The product of its digits is 2048, while the sum is 26.

The square root of 122428412 is about 11064.7373217804. The cubic root of 122428412 is about 496.5474304002.

The spelling of 122428412 in words is "one hundred twenty-two million, four hundred twenty-eight thousand, four hundred twelve".

Divisors: 1 2 4 37 74 148 599 1198 1381 2396 2762 5524 22163 44326 51097 88652 102194 204388 827219 1654438 3308876 30607103 61214206 122428412