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121502532 = 22315116701
BaseRepresentation
bin1110011110111…
…11101101000100
322110121222010210
413033133231010
5222101040112
620020115420
73003516534
oct717375504
9273558123
10121502532
1162648718
1234835b70
131c231ab8
14121cb4c4
15aa00b3c
hex73dfb44

121502532 has 24 divisors (see below), whose sum is σ = 283735872. Its totient is φ = 40468000.

The previous prime is 121502527. The next prime is 121502539. The reversal of 121502532 is 235205121.

It is a super-2 number, since 2×1215025322 = 29525730564822048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121502499 and 121502508.

It is not an unprimeable number, because it can be changed into a prime (121502539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14782 + ... + 21482.

It is an arithmetic number, because the mean of its divisors is an integer number (11822328).

Almost surely, 2121502532 is an apocalyptic number.

121502532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121502532 is an abundant number, since it is smaller than the sum of its proper divisors (162233340).

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

121502532 is a wasteful number, since it uses less digits than its factorization.

121502532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8219 (or 8217 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 121502532 is about 11022.8186957783. The cubic root of 121502532 is about 495.2925278370.

Adding to 121502532 its reverse (235205121), we get a palindrome (356707653).

The spelling of 121502532 in words is "one hundred twenty-one million, five hundred two thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 12 1511 3022 4533 6044 6701 9066 13402 18132 20103 26804 40206 80412 10125211 20250422 30375633 40500844 60751266 121502532