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1031204442 = 23192476087
BaseRepresentation
bin111101011101101…
…110111001011010
32122212101121120010
4331131232321122
54102442020232
6250154142350
734361043642
oct7535567132
92585347503
101031204442
1148a0a7184
122494219b6
13135844458
149ad51522
15607e70cc
hex3d76ee5a

1031204442 has 24 divisors (see below), whose sum is σ = 2176674336. Its totient is φ = 325642824.

The previous prime is 1031204441. The next prime is 1031204453. The reversal of 1031204442 is 2444021301.

It is not an unprimeable number, because it can be changed into a prime (1031204441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235878 + ... + 240209.

It is an arithmetic number, because the mean of its divisors is an integer number (90694764).

Almost surely, 21031204442 is an apocalyptic number.

1031204442 is an abundant number, since it is smaller than the sum of its proper divisors (1145469894).

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

1031204442 is a wasteful number, since it uses less digits than its factorization.

1031204442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476130 (or 476111 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1031204442 is about 32112.3721017305. The cubic root of 1031204442 is about 1010.2951272950.

Adding to 1031204442 its reverse (2444021301), we get a palindrome (3475225743).

The spelling of 1031204442 in words is "one billion, thirty-one million, two hundred four thousand, four hundred forty-two".

Divisors: 1 2 3 6 19 38 57 114 361 722 1083 2166 476087 952174 1428261 2856522 9045653 18091306 27136959 54273918 171867407 343734814 515602221 1031204442