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1073145860 = 22553657293
BaseRepresentation
bin111111111101101…
…110100000000100
32202210022110100222
4333331232200010
54144211131420
6254253123512
735410406063
oct7775564004
92683273328
101073145860
11500843406
1225b489598
1314143a867
14a274c1da
156432e225
hex3ff6e804

1073145860 has 12 divisors (see below), whose sum is σ = 2253606348. Its totient is φ = 429258336.

The previous prime is 1073145839. The next prime is 1073145881. The reversal of 1073145860 is 685413701.

It is an interprime number because it is at equal distance from previous prime (1073145839) and next prime (1073145881).

It can be written as a sum of positive squares in 2 ways, for example, as 588353536 + 484792324 = 24256^2 + 22018^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1073145860.

It is an unprimeable number.

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, 26828627 + ... + 26828666.

It is an arithmetic number, because the mean of its divisors is an integer number (187800529).

Almost surely, 21073145860 is an apocalyptic number.

1073145860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1073145860 is an abundant number, since it is smaller than the sum of its proper divisors (1180460488).

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

1073145860 is a wasteful number, since it uses less digits than its factorization.

1073145860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53657302 (or 53657300 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 1073145860 is about 32758.9050488566. The cubic root of 1073145860 is about 1023.8105130850.

The spelling of 1073145860 in words is "one billion, seventy-three million, one hundred forty-five thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 53657293 107314586 214629172 268286465 536572930 1073145860