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1419123220 = 225313226697
BaseRepresentation
bin101010010010110…
…0001101000010100
310122220022221002021
41110211201220110
510401243420340
6352452422524
750111230324
oct12445415024
93586287067
101419123220
11669070309
12337317a44
13198015aa8
14d668d284
15848c0e4a
hex54961a14

1419123220 has 24 divisors (see below), whose sum is σ = 2989693224. Its totient is φ = 565833216.

The previous prime is 1419123203. The next prime is 1419123227. The reversal of 1419123220 is 223219141.

It can be written as a sum of positive squares in 4 ways, for example, as 156600196 + 1262523024 = 12514^2 + 35532^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1419123227) 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, 107089 + ... + 119608.

It is an arithmetic number, because the mean of its divisors is an integer number (124570551).

Almost surely, 21419123220 is an apocalyptic number.

1419123220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1419123220 is an abundant number, since it is smaller than the sum of its proper divisors (1570570004).

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

1419123220 is a wasteful number, since it uses less digits than its factorization.

1419123220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227019 (or 227017 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1419123220 is about 37671.2519038059. The cubic root of 1419123220 is about 1123.7594806680.

The spelling of 1419123220 in words is "one billion, four hundred nineteen million, one hundred twenty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 313 626 1252 1565 3130 6260 226697 453394 906788 1133485 2266970 4533940 70956161 141912322 283824644 354780805 709561610 1419123220