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61444373 is a prime number
BaseRepresentation
bin1110101001100…
…1000100010101
311021121200211112
43222121010111
5111212204443
610032544405
71344161054
oct352310425
9137550745
1061444373
1131758081
12186b2105
13c964523
14823639b
1555dab18
hex3a99115

61444373 has 2 divisors, whose sum is σ = 61444374. Its totient is φ = 61444372.

The previous prime is 61444367. The next prime is 61444379. The reversal of 61444373 is 37344416.

It is a balanced prime because it is at equal distance from previous prime (61444367) and next prime (61444379).

It can be written as a sum of positive squares in only one way, i.e., 54272689 + 7171684 = 7367^2 + 2678^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61444373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61444379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30722186 + 30722187.

It is an arithmetic number, because the mean of its divisors is an integer number (30722187).

Almost surely, 261444373 is an apocalyptic number.

It is an amenable number.

61444373 is a deficient number, since it is larger than the sum of its proper divisors (1).

61444373 is an equidigital number, since it uses as much as digits as its factorization.

61444373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 32.

The square root of 61444373 is about 7838.6461203450. The cubic root of 61444373 is about 394.6032934289.

Adding to 61444373 its reverse (37344416), we get a palindrome (98788789).

The spelling of 61444373 in words is "sixty-one million, four hundred forty-four thousand, three hundred seventy-three".