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5420071890 = 232560223021
BaseRepresentation
bin1010000110000111…
…11011101111010010
3111222201211011212100
411003003323233102
542100014300030
62253454541230
7251212564602
oct50303735722
914881734770
105420071890
112331542262
121073207816
13684baa23c
14395bacc02
1521ac82360
hex1430fbbd2

5420071890 has 24 divisors (see below), whose sum is σ = 14092187148. Its totient is φ = 1445352480.

The previous prime is 5420071883. The next prime is 5420071919. The reversal of 5420071890 is 981700245.

It can be written as a sum of positive squares in 2 ways, for example, as 4974904089 + 445167801 = 70533^2 + 21099^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30111421 + ... + 30111600.

Almost surely, 25420071890 is an apocalyptic number.

5420071890 is an abundant number, since it is smaller than the sum of its proper divisors (8672115258).

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

5420071890 is a wasteful number, since it uses less digits than its factorization.

5420071890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60223034 (or 60223031 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 5420071890 is about 73621.1375217743. The cubic root of 5420071890 is about 1756.5816797521.

The spelling of 5420071890 in words is "five billion, four hundred twenty million, seventy-one thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 60223021 120446042 180669063 301115105 361338126 542007189 602230210 903345315 1084014378 1806690630 2710035945 5420071890