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422048620 = 225723131071
BaseRepresentation
bin11001001001111…
…111001101101100
31002102011021212101
4121021333031230
51331021023440
6105513544444
713313232310
oct3111771554
91072137771
10422048620
111a7265414
12b9415124
1369591316
14400a3b40
15270bb69a
hex1927f36c

422048620 has 48 divisors (see below), whose sum is σ = 1056964608. Its totient is φ = 138409920.

The previous prime is 422048617. The next prime is 422048621. The reversal of 422048620 is 26840224.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (422048621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62316 + ... + 68755.

It is an arithmetic number, because the mean of its divisors is an integer number (22020096).

Almost surely, 2422048620 is an apocalyptic number.

It is an amenable number.

422048620 is an abundant number, since it is smaller than the sum of its proper divisors (634915988).

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

422048620 is a wasteful number, since it uses less digits than its factorization.

422048620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131110 (or 131108 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 422048620 is about 20543.8219423748. The cubic root of 422048620 is about 750.1028718151.

Adding to 422048620 its reverse (26840224), we get a palindrome (448888844).

The spelling of 422048620 in words is "four hundred twenty-two million, forty-eight thousand, six hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 23 28 35 46 70 92 115 140 161 230 322 460 644 805 1610 3220 131071 262142 524284 655355 917497 1310710 1834994 2621420 3014633 3669988 4587485 6029266 9174970 12058532 15073165 18349940 21102431 30146330 42204862 60292660 84409724 105512155 211024310 422048620