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419922905 = 5451718593
BaseRepresentation
bin11001000001111…
…000001111011001
31002021011021221012
4121001320033121
51330000013110
6105400223305
713256200013
oct3101701731
91067137835
10419922905
111a6043326
12b876ab35
1368cc88bc
143daad1b3
1526ceb905
hex190783d9

419922905 has 8 divisors (see below), whose sum is σ = 504046152. Its totient is φ = 335845888.

The previous prime is 419922887. The next prime is 419922911. The reversal of 419922905 is 509229914.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 841 + 419922064 = 29^2 + 20492^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 419922905 - 210 = 419921881 is a prime.

It is a super-2 number, since 2×4199229052 = 352670492287278050, which contains 22 as substring.

It is a Duffinian number.

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, 13289 + ... + 31881.

It is an arithmetic number, because the mean of its divisors is an integer number (63005769).

Almost surely, 2419922905 is an apocalyptic number.

It is an amenable number.

419922905 is a deficient number, since it is larger than the sum of its proper divisors (84123247).

419922905 is a wasteful number, since it uses less digits than its factorization.

419922905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23115.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 419922905 is about 20492.0205201927. The cubic root of 419922905 is about 748.8414141229.

The spelling of 419922905 in words is "four hundred nineteen million, nine hundred twenty-two thousand, nine hundred five".

Divisors: 1 5 4517 18593 22585 92965 83984581 419922905