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1031604412 = 22367770139
BaseRepresentation
bin111101011111010…
…000100010111100
32122220010221012211
4331133100202330
54103042320122
6250210510204
734364331016
oct7537204274
92586127184
101031604412
1148a34a733
12249595364
13135954517
149b0171b6
1560875877
hex3d7d08bc

1031604412 has 12 divisors (see below), whose sum is σ = 1805824440. Its totient is φ = 515654576.

The previous prime is 1031604407. The next prime is 1031604419. The reversal of 1031604412 is 2144061301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031604419) 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 3 ways as a sum of consecutive naturals, for example, 20362 + ... + 49777.

It is an arithmetic number, because the mean of its divisors is an integer number (150485370).

Almost surely, 21031604412 is an apocalyptic number.

It is an amenable number.

1031604412 is a deficient number, since it is larger than the sum of its proper divisors (774220028).

1031604412 is a wasteful number, since it uses less digits than its factorization.

1031604412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73820 (or 73818 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1031604412 is about 32118.5991599883. The cubic root of 1031604412 is about 1010.4257304010.

Adding to 1031604412 its reverse (2144061301), we get a palindrome (3175665713).

The spelling of 1031604412 in words is "one billion, thirty-one million, six hundred four thousand, four hundred twelve".

Divisors: 1 2 4 3677 7354 14708 70139 140278 280556 257901103 515802206 1031604412