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454342631240 = 23535931639459
BaseRepresentation
bin1101001110010001110…
…11100101111101001000
31121102201220211001202202
412213020323211331020
524420443203144430
6544415551215332
744553014434151
oct6471073457510
91542656731682
10454342631240
1116575a630593
127407a517548
1333ac8ca5944
1417dc1556928
15bc42643d45
hex69c8ee5f48

454342631240 has 32 divisors (see below), whose sum is σ = 1025118504000. Its totient is φ = 181230815424.

The previous prime is 454342631203. The next prime is 454342631269. The reversal of 454342631240 is 42136243454.

It is a junction number, because it is equal to n+sod(n) for n = 454342631194 and 454342631203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15805370 + ... + 15834089.

It is an arithmetic number, because the mean of its divisors is an integer number (32034953250).

Almost surely, 2454342631240 is an apocalyptic number.

454342631240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

454342631240 is an abundant number, since it is smaller than the sum of its proper divisors (570775872760).

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

454342631240 is a wasteful number, since it uses less digits than its factorization.

454342631240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31639829 (or 31639825 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 38.

Adding to 454342631240 its reverse (42136243454), we get a palindrome (496478874694).

The spelling of 454342631240 in words is "four hundred fifty-four billion, three hundred forty-two million, six hundred thirty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 359 718 1436 1795 2872 3590 7180 14360 31639459 63278918 126557836 158197295 253115672 316394590 632789180 1265578360 11358565781 22717131562 45434263124 56792828905 90868526248 113585657810 227171315620 454342631240