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1420242828 = 223118353569
BaseRepresentation
bin101010010100111…
…0010111110001100
310122222102210220020
41110221302332030
510402040232303
6352532422140
750123602434
oct12451627614
93588383806
101420242828
11669765504
12337777950
13198318594
14d68a12c4
1584a42a53
hex54a72f8c

1420242828 has 12 divisors (see below), whose sum is σ = 3313899960. Its totient is φ = 473414272.

The previous prime is 1420242827. The next prime is 1420242841. The reversal of 1420242828 is 8282420241.

1420242828 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1420242823) 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, 59176773 + ... + 59176796.

It is an arithmetic number, because the mean of its divisors is an integer number (276158330).

Almost surely, 21420242828 is an apocalyptic number.

It is an amenable number.

1420242828 is an abundant number, since it is smaller than the sum of its proper divisors (1893657132).

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

1420242828 is a wasteful number, since it uses less digits than its factorization.

1420242828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118353576 (or 118353574 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 33.

The square root of 1420242828 is about 37686.1092181191. The cubic root of 1420242828 is about 1124.0549305526.

The spelling of 1420242828 in words is "one billion, four hundred twenty million, two hundred forty-two thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 118353569 236707138 355060707 473414276 710121414 1420242828