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420233024 = 2631211811
BaseRepresentation
bin11001000011000…
…011111101000000
31002021202001100002
4121003003331000
51330034424044
6105411015132
713261631111
oct3103037500
91067661302
10420233024
111a6235322
12b889a4a8
13690a6ac3
143db50208
1526d5d74e
hex190c3f40

420233024 has 28 divisors (see below), whose sum is σ = 860803968. Its totient is φ = 203337600.

The previous prime is 420232999. The next prime is 420233029. The reversal of 420233024 is 420332024.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 420232987 and 420233005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420233029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103922 + ... + 107889.

Almost surely, 2420233024 is an apocalyptic number.

It is an amenable number.

420233024 is an abundant number, since it is smaller than the sum of its proper divisors (440570944).

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

420233024 is a wasteful number, since it uses less digits than its factorization.

420233024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211854 (or 211844 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 420233024 is about 20499.5859470381. The cubic root of 420233024 is about 749.0257120840.

Adding to 420233024 its reverse (420332024), we get a palindrome (840565048).

The spelling of 420233024 in words is "four hundred twenty million, two hundred thirty-three thousand, twenty-four".

Divisors: 1 2 4 8 16 31 32 62 64 124 248 496 992 1984 211811 423622 847244 1694488 3388976 6566141 6777952 13132282 13555904 26264564 52529128 105058256 210116512 420233024