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61214233 is a prime number
BaseRepresentation
bin1110100110000…
…0111000011001
311021012000010211
43221200320121
5111132323413
610024011121
71342212103
oct351407031
9137160124
1061214233
1131610183
1218600aa1
13c8b3852
1481b6573
15559283d
hex3a60e19

61214233 has 2 divisors, whose sum is σ = 61214234. Its totient is φ = 61214232.

The previous prime is 61214227. The next prime is 61214261. The reversal of 61214233 is 33241216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45118089 + 16096144 = 6717^2 + 4012^2 .

It is a cyclic number.

It is not a de Polignac number, because 61214233 - 217 = 61083161 is a prime.

It is not a weakly prime, because it can be changed into another prime (61214833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30607116 + 30607117.

It is an arithmetic number, because the mean of its divisors is an integer number (30607117).

Almost surely, 261214233 is an apocalyptic number.

It is an amenable number.

61214233 is a deficient number, since it is larger than the sum of its proper divisors (1).

61214233 is an equidigital number, since it uses as much as digits as its factorization.

61214233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 22.

The square root of 61214233 is about 7823.9525177496. The cubic root of 61214233 is about 394.1100146286.

Adding to 61214233 its reverse (33241216), we get a palindrome (94455449).

The spelling of 61214233 in words is "sixty-one million, two hundred fourteen thousand, two hundred thirty-three".