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121024452 = 223192811889
BaseRepresentation
bin1110011011010…
…10111111000100
322102201200100010
413031222333010
5221440240302
620001550220
72666455653
oct715527704
9272650303
10121024452
116235150a
1234645370
131c0c5303
141210519a
15a95916c
hex736afc4

121024452 has 48 divisors (see below), whose sum is σ = 298468800. Its totient is φ = 38062080.

The previous prime is 121024441. The next prime is 121024457. The reversal of 121024452 is 254420121.

It is not an unprimeable number, because it can be changed into a prime (121024457) 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, 63124 + ... + 65012.

It is an arithmetic number, because the mean of its divisors is an integer number (6218100).

Almost surely, 2121024452 is an apocalyptic number.

121024452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121024452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149234400).

121024452 is an abundant number, since it is smaller than the sum of its proper divisors (177444348).

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

121024452 is a wasteful number, since it uses less digits than its factorization.

121024452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2196 (or 2194 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 121024452 is about 11001.1113983997. Note that the first 3 decimals coincide. The cubic root of 121024452 is about 494.6420593619.

Adding to 121024452 its reverse (254420121), we get a palindrome (375444573).

The spelling of 121024452 in words is "one hundred twenty-one million, twenty-four thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 281 562 843 1124 1686 1889 3372 3778 5339 5667 7556 10678 11334 16017 21356 22668 32034 35891 64068 71782 107673 143564 215346 430692 530809 1061618 1592427 2123236 3184854 6369708 10085371 20170742 30256113 40341484 60512226 121024452