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121342532 = 22174737967
BaseRepresentation
bin1110011101110…
…00101001000100
322110022211122212
413032320221010
5222030430112
620012442552
73002252213
oct716705104
9273284585
10121342532
1162549493
1234779458
131c1a701c
141218907a
15a9bd522
hex73b8a44

121342532 has 24 divisors (see below), whose sum is σ = 229630464. Its totient is φ = 55885952.

The previous prime is 121342519. The next prime is 121342537. The reversal of 121342532 is 235243121.

It is a junction number, because it is equal to n+sod(n) for n = 121342498 and 121342507.

It is not an unprimeable number, because it can be changed into a prime (121342537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15788 + ... + 22179.

It is an arithmetic number, because the mean of its divisors is an integer number (9567936).

Almost surely, 2121342532 is an apocalyptic number.

It is an amenable number.

121342532 is a deficient number, since it is larger than the sum of its proper divisors (108287932).

121342532 is a wasteful number, since it uses less digits than its factorization.

121342532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38035 (or 38033 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 121342532 is about 11015.5586331334. The cubic root of 121342532 is about 495.0750245091.

Adding to 121342532 its reverse (235243121), we get a palindrome (356585653).

The spelling of 121342532 in words is "one hundred twenty-one million, three hundred forty-two thousand, five hundred thirty-two".

Divisors: 1 2 4 17 34 47 68 94 188 799 1598 3196 37967 75934 151868 645439 1290878 1784449 2581756 3568898 7137796 30335633 60671266 121342532