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1225808882 = 23119771111
BaseRepresentation
bin100100100010000…
…0101101111110010
310011102120112122222
41021010011233302
510002301341012
6321345201042
742243126554
oct11104055762
93142515588
101225808882
11579a343a1
122a2630182
13166c5c8cc
14b8b2b4d4
1572937972
hex49105bf2

1225808882 has 8 divisors (see below), whose sum is σ = 1898026752. Its totient is φ = 593133300.

The previous prime is 1225808863. The next prime is 1225808887. The reversal of 1225808882 is 2888085221.

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

It is not an unprimeable number, because it can be changed into a prime (1225808887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9885494 + ... + 9885617.

It is an arithmetic number, because the mean of its divisors is an integer number (237253344).

Almost surely, 21225808882 is an apocalyptic number.

1225808882 is a deficient number, since it is larger than the sum of its proper divisors (672217870).

1225808882 is a wasteful number, since it uses less digits than its factorization.

1225808882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19771144.

The product of its (nonzero) digits is 163840, while the sum is 44.

The square root of 1225808882 is about 35011.5535502211. The cubic root of 1225808882 is about 1070.2229372139. Note that the first 3 decimals are identical.

The spelling of 1225808882 in words is "one billion, two hundred twenty-five million, eight hundred eight thousand, eight hundred eighty-two".

Divisors: 1 2 31 62 19771111 39542222 612904441 1225808882