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1420105884 = 223631187547
BaseRepresentation
bin101010010100101…
…0001100010011100
310122222011212001020
41110221101202130
510402021342014
6352525444140
750122462251
oct12451214234
93588155036
101420105884
1166968162a
12337710650
1319829b152
14d6867428
1584a171a9
hex54a5189c

1420105884 has 24 divisors (see below), whose sum is σ = 3318849408. Its totient is φ = 472615920.

The previous prime is 1420105849. The next prime is 1420105919. The reversal of 1420105884 is 4885010241.

It is an interprime number because it is at equal distance from previous prime (1420105849) and next prime (1420105919).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 86202 + ... + 101345.

It is an arithmetic number, because the mean of its divisors is an integer number (138285392).

Almost surely, 21420105884 is an apocalyptic number.

It is an amenable number.

1420105884 is an abundant number, since it is smaller than the sum of its proper divisors (1898743524).

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

1420105884 is a wasteful number, since it uses less digits than its factorization.

1420105884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188185 (or 188183 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 1420105884 is about 37684.2922714491. The cubic root of 1420105884 is about 1124.0188011613.

The spelling of 1420105884 in words is "one billion, four hundred twenty million, one hundred five thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 12 631 1262 1893 2524 3786 7572 187547 375094 562641 750188 1125282 2250564 118342157 236684314 355026471 473368628 710052942 1420105884