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1020071454 = 23170011909
BaseRepresentation
bin111100110011010…
…000111000011110
32122002102222222020
4330303100320132
54042114241304
6245115401010
734164315153
oct7463207036
92562388866
101020071454
11483892866
12245753166
13133446c9c
149969422a
155e8485d9
hex3ccd0e1e

1020071454 has 8 divisors (see below), whose sum is σ = 2040142920. Its totient is φ = 340023816.

The previous prime is 1020071407. The next prime is 1020071471. The reversal of 1020071454 is 4541700201.

It is a sphenic number, since it is the product of 3 distinct primes.

1020071454 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85005949 + ... + 85005960.

It is an arithmetic number, because the mean of its divisors is an integer number (255017865).

Almost surely, 21020071454 is an apocalyptic number.

1020071454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1020071454 is a wasteful number, since it uses less digits than its factorization.

1020071454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170011914.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 1020071454 is about 31938.5574815144. The cubic root of 1020071454 is about 1006.6462146384.

Adding to 1020071454 its reverse (4541700201), we get a palindrome (5561771655).

The spelling of 1020071454 in words is "one billion, twenty million, seventy-one thousand, four hundred fifty-four".

Divisors: 1 2 3 6 170011909 340023818 510035727 1020071454