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1220852441 is a prime number
BaseRepresentation
bin100100011000100…
…1011101011011001
310011002020201201002
41020301023223121
510000014234231
6321051034345
742153034364
oct11061135331
93132221632
101220852441
11577159566
122a0a3b9b5
13165c158c3
14b81db0db
15722a90cb
hex48c4bad9

1220852441 has 2 divisors, whose sum is σ = 1220852442. Its totient is φ = 1220852440.

The previous prime is 1220852419. The next prime is 1220852453. The reversal of 1220852441 is 1442580221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1220803600 + 48841 = 34940^2 + 221^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220852441 - 210 = 1220851417 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220852461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610426220 + 610426221.

It is an arithmetic number, because the mean of its divisors is an integer number (610426221).

Almost surely, 21220852441 is an apocalyptic number.

It is an amenable number.

1220852441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220852441 is an equidigital number, since it uses as much as digits as its factorization.

1220852441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 1220852441 is about 34940.6989197411. The cubic root of 1220852441 is about 1068.7785406648.

The spelling of 1220852441 in words is "one billion, two hundred twenty million, eight hundred fifty-two thousand, four hundred forty-one".