Search a number
-
+
1202104031 = 4635714547
BaseRepresentation
bin100011110100110…
…1010011011011111
310002202222012201112
41013221222123133
54430214312111
6315141132235
741534500322
oct10751523337
93082865645
101202104031
11567613607
122966ba07b
1316208007b
14b591a7b9
1570803e8b
hex47a6a6df

1202104031 has 8 divisors (see below), whose sum is σ = 1207075584. Its totient is φ = 1197143640.

The previous prime is 1202104021. The next prime is 1202104037. The reversal of 1202104031 is 1304012021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1202104031 - 26 = 1202103967 is a prime.

It is a super-2 number, since 2×12021040312 = 2890108202692897922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202103997 and 1202104015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202104037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262100 + ... + 266646.

It is an arithmetic number, because the mean of its divisors is an integer number (150884448).

Almost surely, 21202104031 is an apocalyptic number.

1202104031 is a deficient number, since it is larger than the sum of its proper divisors (4971553).

1202104031 is an equidigital number, since it uses as much as digits as its factorization.

1202104031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5581.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1202104031 is about 34671.3719226684. The cubic root of 1202104031 is about 1063.2792805949.

Adding to 1202104031 its reverse (1304012021), we get a palindrome (2506116052).

The spelling of 1202104031 in words is "one billion, two hundred two million, one hundred four thousand, thirty-one".

Divisors: 1 463 571 4547 264373 2105261 2596337 1202104031