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103020446 = 2534792029
BaseRepresentation
bin1100010001111…
…11011110011110
321011211222111002
412020333132132
5202333123241
614120030302
72360442104
oct610773636
9234758432
10103020446
1153174871
122a602392
1318460559
14d979c74
15909e89b
hex623f79e

103020446 has 16 divisors (see below), whose sum is σ = 157852800. Its totient is φ = 50407968.

The previous prime is 103020443. The next prime is 103020457. The reversal of 103020446 is 644020301.

It is a happy number.

It is a super-2 number, since 2×1030204462 = 21226424588077832, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103020443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49760 + ... + 51788.

It is an arithmetic number, because the mean of its divisors is an integer number (9865800).

Almost surely, 2103020446 is an apocalyptic number.

103020446 is a deficient number, since it is larger than the sum of its proper divisors (54832354).

103020446 is a wasteful number, since it uses less digits than its factorization.

103020446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 103020446 is about 10149.8988172297. The cubic root of 103020446 is about 468.7858294153.

Adding to 103020446 its reverse (644020301), we get a palindrome (747040747).

The spelling of 103020446 in words is "one hundred three million, twenty thousand, four hundred forty-six".

Divisors: 1 2 53 106 479 958 2029 4058 25387 50774 107537 215074 971891 1943782 51510223 103020446