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121525248 = 21031317179
BaseRepresentation
bin1110011111001…
…01010000000000
322110200010022010
413033211100000
5222102301443
620020412520
73003643005
oct717452000
9273603263
10121525248
1162663799
1234847140
131c23c240
14121d58ac
15aa07733
hex73e5400

121525248 has 176 divisors, whose sum is σ = 371407680. Its totient is φ = 34996224.

The previous prime is 121525247. The next prime is 121525291. The reversal of 121525248 is 842525121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121525247) 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 15 ways as a sum of consecutive naturals, for example, 678823 + ... + 679001.

Almost surely, 2121525248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121525248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185703840).

121525248 is an abundant number, since it is smaller than the sum of its proper divisors (249882432).

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

121525248 is a wasteful number, since it uses less digits than its factorization.

121525248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 214 counting only the distinct ones).

The product of its digits is 6400, while the sum is 30.

The square root of 121525248 is about 11023.8490555704. The cubic root of 121525248 is about 495.3233923898.

The spelling of 121525248 in words is "one hundred twenty-one million, five hundred twenty-five thousand, two hundred forty-eight".