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1225545414 = 23204257569
BaseRepresentation
bin100100100001100…
…0101011011000110
310011102002011020220
41021003011123012
510002214423124
6321335405210
742240651462
oct11103053306
93142064226
101225545414
11579874455
122a2523806
13166b99a02
14b8a9d4a2
15728d4879
hex490c56c6

1225545414 has 8 divisors (see below), whose sum is σ = 2451090840. Its totient is φ = 408515136.

The previous prime is 1225545383. The next prime is 1225545421. The reversal of 1225545414 is 4145455221.

It is a happy number.

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

1225545414 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102128779 + ... + 102128790.

It is an arithmetic number, because the mean of its divisors is an integer number (306386355).

Almost surely, 21225545414 is an apocalyptic number.

1225545414 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1225545414 is a wasteful number, since it uses less digits than its factorization.

1225545414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204257574.

The product of its digits is 32000, while the sum is 33.

The square root of 1225545414 is about 35007.7907614862. The cubic root of 1225545414 is about 1070.1462559561.

The spelling of 1225545414 in words is "one billion, two hundred twenty-five million, five hundred forty-five thousand, four hundred fourteen".

Divisors: 1 2 3 6 204257569 408515138 612772707 1225545414