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420614502 = 23711910421
BaseRepresentation
bin11001000100100…
…001000101100110
31002022110102121220
4121010201011212
51330134131002
6105423121210
713265110230
oct3104410546
91068412556
10420614502
111a64759a0
12b8a43206
13691ab629
143dc0d250
1526dd67bc
hex19121166

420614502 has 32 divisors (see below), whose sum is σ = 1048806144. Its totient is φ = 109250400.

The previous prime is 420614477. The next prime is 420614567. The reversal of 420614502 is 205416024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454749 + ... + 455672.

It is an arithmetic number, because the mean of its divisors is an integer number (32775192).

Almost surely, 2420614502 is an apocalyptic number.

420614502 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

420614502 is an abundant number, since it is smaller than the sum of its proper divisors (628191642).

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

420614502 is a wasteful number, since it uses less digits than its factorization.

420614502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910444.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 420614502 is about 20508.8883657794. Note that the first 3 decimals coincide. The cubic root of 420614502 is about 749.2522930490.

The spelling of 420614502 in words is "four hundred twenty million, six hundred fourteen thousand, five hundred two".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 462 910421 1820842 2731263 5462526 6372947 10014631 12745894 19118841 20029262 30043893 38237682 60087786 70102417 140204834 210307251 420614502