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122403412 = 2230600853
BaseRepresentation
bin1110100101110…
…11101001010100
322112022201220201
413102323221110
5222313402122
620051310244
73014261155
oct722735124
9275281821
10122403412
116310354a
1234bab384
131c488b71
141238392c
15ab2ca27
hex74bba54

122403412 has 6 divisors (see below), whose sum is σ = 214205978. Its totient is φ = 61201704.

The previous prime is 122403397. The next prime is 122403431. The reversal of 122403412 is 214304221.

It can be written as a sum of positive squares in only one way, i.e., 109914256 + 12489156 = 10484^2 + 3534^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122403412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15300423 + ... + 15300430.

Almost surely, 2122403412 is an apocalyptic number.

It is an amenable number.

122403412 is a deficient number, since it is larger than the sum of its proper divisors (91802566).

122403412 is a wasteful number, since it uses less digits than its factorization.

122403412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30600857 (or 30600855 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 122403412 is about 11063.6075490773. The cubic root of 122403412 is about 496.5136296111.

Adding to 122403412 its reverse (214304221), we get a palindrome (336707633).

The spelling of 122403412 in words is "one hundred twenty-two million, four hundred three thousand, four hundred twelve".

Divisors: 1 2 4 30600853 61201706 122403412