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103220437 is a prime number
BaseRepresentation
bin1100010011100…
…00010011010101
321012020010211011
412021300103111
5202411023222
614124212221
72362234135
oct611602325
9235203734
10103220437
11532a1051
122a69a071
13185005a8
14d9ccac5
1590ddc77
hex62704d5

103220437 has 2 divisors, whose sum is σ = 103220438. Its totient is φ = 103220436.

The previous prime is 103220431. The next prime is 103220443. The reversal of 103220437 is 734022301.

It is a balanced prime because it is at equal distance from previous prime (103220431) and next prime (103220443).

It can be written as a sum of positive squares in only one way, i.e., 68657796 + 34562641 = 8286^2 + 5879^2 .

It is a cyclic number.

It is not a de Polignac number, because 103220437 - 211 = 103218389 is a prime.

It is a super-2 number, since 2×1032204372 = 21308917228941938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103220431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51610218 + 51610219.

It is an arithmetic number, because the mean of its divisors is an integer number (51610219).

Almost surely, 2103220437 is an apocalyptic number.

It is an amenable number.

103220437 is a deficient number, since it is larger than the sum of its proper divisors (1).

103220437 is an equidigital number, since it uses as much as digits as its factorization.

103220437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 103220437 is about 10159.7459121771. The cubic root of 103220437 is about 469.0889807122.

Adding to 103220437 its reverse (734022301), we get a palindrome (837242738).

The spelling of 103220437 in words is "one hundred three million, two hundred twenty thousand, four hundred thirty-seven".