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122249480 = 2353782601
BaseRepresentation
bin1110100100101…
…10000100001000
322112000220202112
413102112010020
5222243440410
620044121452
73013050323
oct722260410
9275026675
10122249480
1163008931
1234b36288
131c433a92
14123437ba
15aaec105
hex7496108

122249480 has 32 divisors (see below), whose sum is σ = 282498840. Its totient is φ = 47577600.

The previous prime is 122249467. The next prime is 122249483. The reversal of 122249480 is 84942221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 107702884 + 14546596 = 10378^2 + 3814^2 .

It is not an unprimeable number, because it can be changed into a prime (122249483) 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, 39821 + ... + 42780.

Almost surely, 2122249480 is an apocalyptic number.

122249480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122249480 is an abundant number, since it is smaller than the sum of its proper divisors (160249360).

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

122249480 is a wasteful number, since it uses less digits than its factorization.

122249480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82649 (or 82645 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 122249480 is about 11056.6486785101. The cubic root of 122249480 is about 496.3054072099.

The spelling of 122249480 in words is "one hundred twenty-two million, two hundred forty-nine thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 37 40 74 148 185 296 370 740 1480 82601 165202 330404 413005 660808 826010 1652020 3056237 3304040 6112474 12224948 15281185 24449896 30562370 61124740 122249480