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420241582 = 21973197769
BaseRepresentation
bin11001000011000…
…110000010101110
31002021202111002001
4121003012002232
51330040212312
6105411122514
713261665055
oct3103060256
91067674061
10420241582
111a62407a2
12b88a343a
13690aa977
143db5339c
1526d61057
hex190c60ae

420241582 has 32 divisors (see below), whose sum is σ = 676922400. Its totient is φ = 195084288.

The previous prime is 420241531. The next prime is 420241663. The reversal of 420241582 is 285142024.

It is a super-3 number, since 3×4202415823 (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 420241582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546094 + ... + 546862.

It is an arithmetic number, because the mean of its divisors is an integer number (21153825).

Almost surely, 2420241582 is an apocalyptic number.

420241582 is a deficient number, since it is larger than the sum of its proper divisors (256680818).

420241582 is a wasteful number, since it uses less digits than its factorization.

420241582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060.

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 420241582 is about 20499.7946818986. The cubic root of 420241582 is about 749.0307966586.

The spelling of 420241582 in words is "four hundred twenty million, two hundred forty-one thousand, five hundred eighty-two".

Divisors: 1 2 19 38 73 146 197 394 769 1387 1538 2774 3743 7486 14381 14611 28762 29222 56137 112274 151493 273239 302986 546478 1066603 2133206 2878367 5756734 11058989 22117978 210120791 420241582