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1203332420 = 225172208189
BaseRepresentation
bin100011110111001…
…0110010101000100
310002212021121202102
41013232112111010
54431023114140
6315223331232
741551104533
oct10756262504
93085247672
101203332420
11568282504
12296bb0b18
131623c0224
14b5b5a31a
1570997e15
hex47b96544

1203332420 has 36 divisors (see below), whose sum is σ = 2684401860. Its totient is φ = 453017088.

The previous prime is 1203332401. The next prime is 1203332509. The reversal of 1203332420 is 242333021.

It can be written as a sum of positive squares in 6 ways, for example, as 75076 + 1203257344 = 274^2 + 34688^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1203332392 and 1203332401.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98315 + ... + 109874.

Almost surely, 21203332420 is an apocalyptic number.

1203332420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203332420 is an abundant number, since it is smaller than the sum of its proper divisors (1481069440).

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

1203332420 is a wasteful number, since it uses less digits than its factorization.

1203332420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208232 (or 208213 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1203332420 is about 34689.0821440983. The cubic root of 1203332420 is about 1063.6413335448.

Adding to 1203332420 its reverse (242333021), we get a palindrome (1445665441).

The spelling of 1203332420 in words is "one billion, two hundred three million, three hundred thirty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 289 340 578 1156 1445 2890 5780 208189 416378 832756 1040945 2081890 3539213 4163780 7078426 14156852 17696065 35392130 60166621 70784260 120333242 240666484 300833105 601666210 1203332420