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121230332 = 22172377513
BaseRepresentation
bin1110011100111…
…01001111111100
322110010010202022
413032131033330
5222013332312
620010215312
73001304126
oct716351774
9273103668
10121230332
1162482163
1234724538
131c167c32
141215a216
15a99a172
hex739d3fc

121230332 has 24 divisors (see below), whose sum is σ = 234402336. Its totient is φ = 54568448.

The previous prime is 121230323. The next prime is 121230337. The reversal of 121230332 is 233032121.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 121230332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121230337) 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, 37193 + ... + 40320.

It is an arithmetic number, because the mean of its divisors is an integer number (9766764).

Almost surely, 2121230332 is an apocalyptic number.

It is an amenable number.

121230332 is a deficient number, since it is larger than the sum of its proper divisors (113172004).

121230332 is a wasteful number, since it uses less digits than its factorization.

121230332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77557 (or 77555 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 121230332 is about 11010.4646586781. The cubic root of 121230332 is about 494.9223862259.

Adding to 121230332 its reverse (233032121), we get a palindrome (354262453).

The spelling of 121230332 in words is "one hundred twenty-one million, two hundred thirty thousand, three hundred thirty-two".

Divisors: 1 2 4 17 23 34 46 68 92 391 782 1564 77513 155026 310052 1317721 1782799 2635442 3565598 5270884 7131196 30307583 60615166 121230332