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1422148220 = 22571107411
BaseRepresentation
bin101010011000100…
…0100001001111100
310200010000121121022
41110301010021330
510403032220340
6353041323312
750146026503
oct12461041174
93603017538
101422148220
1166a847009
12338336538
1319883492c
14d6c3983a
1584cbc3b5
hex54c4427c

1422148220 has 12 divisors (see below), whose sum is σ = 2986511304. Its totient is φ = 568859280.

The previous prime is 1422148201. The next prime is 1422148223. The reversal of 1422148220 is 228412241.

It is a self number, because there is not a number n which added to its sum of digits gives 1422148220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422148223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35553686 + ... + 35553725.

It is an arithmetic number, because the mean of its divisors is an integer number (248875942).

Almost surely, 21422148220 is an apocalyptic number.

1422148220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422148220 is an abundant number, since it is smaller than the sum of its proper divisors (1564363084).

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

1422148220 is a wasteful number, since it uses less digits than its factorization.

1422148220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71107420 (or 71107418 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 1422148220 is about 37711.3805103977. The cubic root of 1422148220 is about 1124.5573817646.

The spelling of 1422148220 in words is "one billion, four hundred twenty-two million, one hundred forty-eight thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 71107411 142214822 284429644 355537055 711074110 1422148220