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1420189080 = 233511834909
BaseRepresentation
bin101010010100110…
…0101110110011000
310122222100002011120
41110221211312120
510402032022310
6352531325240
750123256642
oct12451456630
93588302146
101420189080
11669729092
12337750820
131982c9c8b
14d6889892
1584a31b70
hex54a65d98

1420189080 has 32 divisors (see below), whose sum is σ = 4260567600. Its totient is φ = 378717056.

The previous prime is 1420189063. The next prime is 1420189087. The reversal of 1420189080 is 809810241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420189087) 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, 5917335 + ... + 5917574.

Almost surely, 21420189080 is an apocalyptic number.

1420189080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420189080 is an abundant number, since it is smaller than the sum of its proper divisors (2840378520).

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

1420189080 is a wasteful number, since it uses less digits than its factorization.

1420189080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11834923 (or 11834919 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 1420189080 is about 37685.3961104298. The cubic root of 1420189080 is about 1124.0407507082.

The spelling of 1420189080 in words is "one billion, four hundred twenty million, one hundred eighty-nine thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 11834909 23669818 35504727 47339636 59174545 71009454 94679272 118349090 142018908 177523635 236698180 284037816 355047270 473396360 710094540 1420189080