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420612044 = 22198096841
BaseRepresentation
bin11001000100100…
…000011111001100
31002022110022020212
4121010200133030
51330134041134
6105423101552
713265100116
oct3104403714
91068408225
10420612044
111a6474066
12b8a418b8
13691aa488
143dc0c3b6
1526dd5bce
hex191207cc

420612044 has 24 divisors (see below), whose sum is σ = 775882800. Its totient is φ = 198961920.

The previous prime is 420612043. The next prime is 420612047. The reversal of 420612044 is 440216024.

It is not an unprimeable number, because it can be changed into a prime (420612043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58064 + ... + 64904.

It is an arithmetic number, because the mean of its divisors is an integer number (32328450).

Almost surely, 2420612044 is an apocalyptic number.

It is an amenable number.

420612044 is a deficient number, since it is larger than the sum of its proper divisors (355270756).

420612044 is a wasteful number, since it uses less digits than its factorization.

420612044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7673 (or 7671 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 420612044 is about 20508.8284404546. The cubic root of 420612044 is about 749.2508335450.

Adding to 420612044 its reverse (440216024), we get a palindrome (860828068).

The spelling of 420612044 in words is "four hundred twenty million, six hundred twelve thousand, forty-four".

Divisors: 1 2 4 19 38 76 809 1618 3236 6841 13682 15371 27364 30742 61484 129979 259958 519916 5534369 11068738 22137476 105153011 210306022 420612044