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132222421 = 475095527
BaseRepresentation
bin1111110000110…
…00110111010101
3100012210121001201
413320120313111
5232322104141
621041552501
73163605052
oct770306725
9305717051
10132222421
11686aa731
1238345731
1321516226
14137bc029
15b91c031
hex7e18dd5

132222421 has 8 divisors (see below), whose sum is σ = 135325440. Its totient is φ = 129131568.

The previous prime is 132222407. The next prime is 132222427. The reversal of 132222421 is 124222231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-132222421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132222427) 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, 21160 + ... + 26686.

It is an arithmetic number, because the mean of its divisors is an integer number (16915680).

Almost surely, 2132222421 is an apocalyptic number.

It is an amenable number.

132222421 is a deficient number, since it is larger than the sum of its proper divisors (3103019).

132222421 is an equidigital number, since it uses as much as digits as its factorization.

132222421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6083.

The product of its digits is 384, while the sum is 19.

The square root of 132222421 is about 11498.8008505235. The cubic root of 132222421 is about 509.4501584106.

Adding to 132222421 its reverse (124222231), we get a palindrome (256444652).

The spelling of 132222421 in words is "one hundred thirty-two million, two hundred twenty-two thousand, four hundred twenty-one".

Divisors: 1 47 509 5527 23923 259769 2813243 132222421