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420324626 = 21712362489
BaseRepresentation
bin11001000011011…
…010010100010010
31002021220200222202
4121003122110102
51330100342001
6105413003202
713262462141
oct3103322422
91067820882
10420324626
111a6298127
12b8923502
13691096c7
143db75758
1526d7a96b
hex190da512

420324626 has 8 divisors (see below), whose sum is σ = 667574460. Its totient is φ = 197799808.

The previous prime is 420324617. The next prime is 420324649. The reversal of 420324626 is 626423024.

It can be written as a sum of positive squares in 2 ways, for example, as 406627225 + 13697401 = 20165^2 + 3701^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6181211 + ... + 6181278.

Almost surely, 2420324626 is an apocalyptic number.

420324626 is a deficient number, since it is larger than the sum of its proper divisors (247249834).

420324626 is a wasteful number, since it uses less digits than its factorization.

420324626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12362508.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 420324626 is about 20501.8200655454. The cubic root of 420324626 is about 749.0801321038.

The spelling of 420324626 in words is "four hundred twenty million, three hundred twenty-four thousand, six hundred twenty-six".

Divisors: 1 2 17 34 12362489 24724978 210162313 420324626