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1200426072 = 23350017753
BaseRepresentation
bin100011110001101…
…0000110001011000
310002122210221222220
41013203100301120
54424302113242
6315041144040
741514311316
oct10743206130
93078727886
101200426072
1156667796a
1229602b020
131619133b1
14b56010b6
15705c1bec
hex478d0c58

1200426072 has 16 divisors (see below), whose sum is σ = 3001065240. Its totient is φ = 400142016.

The previous prime is 1200425999. The next prime is 1200426077. The reversal of 1200426072 is 2706240021.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 50017753 = 1200426072 / (1 + 2 + 0 + 0 + 4 + 2 + 6 + 0 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200426077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25008853 + ... + 25008900.

Almost surely, 21200426072 is an apocalyptic number.

1200426072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1200426072 is an abundant number, since it is smaller than the sum of its proper divisors (1800639168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200426072 is a wasteful number, since it uses less digits than its factorization.

1200426072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50017762 (or 50017758 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 1200426072 is about 34647.1654251831. The cubic root of 1200426072 is about 1062.7843234842.

Adding to 1200426072 its reverse (2706240021), we get a palindrome (3906666093).

The spelling of 1200426072 in words is "one billion, two hundred million, four hundred twenty-six thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 24 50017753 100035506 150053259 200071012 300106518 400142024 600213036 1200426072