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1420088 = 23177511
BaseRepresentation
bin101011010101100111000
32200010222212
411122230320
5330420323
650234252
715033125
oct5325470
92603885
101420088
1188aa2a
12585988
133a94b7
1428d74c
151d0b78
hex15ab38

1420088 has 8 divisors (see below), whose sum is σ = 2662680. Its totient is φ = 710040.

The previous prime is 1420073. The next prime is 1420091. The reversal of 1420088 is 8800241.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88748 + ... + 88763.

It is an arithmetic number, because the mean of its divisors is an integer number (332835).

21420088 is an apocalyptic number.

It is an amenable number.

1420088 is a deficient number, since it is larger than the sum of its proper divisors (1242592).

1420088 is a wasteful number, since it uses less digits than its factorization.

1420088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177517 (or 177513 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 1420088 is about 1191.6744521890. The cubic root of 1420088 is about 112.4014082725.

It can be divided in two parts, 14 and 20088, that added together give a palindrome (20102).

The spelling of 1420088 in words is "one million, four hundred twenty thousand, eighty-eight".

Divisors: 1 2 4 8 177511 355022 710044 1420088