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1020401024 = 2725731019
BaseRepresentation
bin111100110100100…
…001010110000000
32122010001202001112
4330310201112000
54042210313044
6245130422452
734200160046
oct7464412600
92563052045
101020401024
11483a98435
12245891a28
13133530cb6
149973c396
155e8b109e
hex3cd21580

1020401024 has 32 divisors (see below), whose sum is σ = 2040805800. Its totient is φ = 508198912.

The previous prime is 1020401017. The next prime is 1020401077. The reversal of 1020401024 is 4201040201.

It is a tau number, because it is divible by the number of its divisors (32).

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, 17387 + ... + 48405.

Almost surely, 21020401024 is an apocalyptic number.

It is an amenable number.

1020401024 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1020401024 is an equidigital number, since it uses as much as digits as its factorization.

1020401024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31290 (or 31278 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1020401024 is about 31943.7165026238. The cubic root of 1020401024 is about 1006.7546137998.

Adding to 1020401024 its reverse (4201040201), we get a palindrome (5221441225).

The spelling of 1020401024 in words is "one billion, twenty million, four hundred one thousand, twenty-four".

Divisors: 1 2 4 8 16 32 64 128 257 514 1028 2056 4112 8224 16448 31019 32896 62038 124076 248152 496304 992608 1985216 3970432 7971883 15943766 31887532 63775064 127550128 255100256 510200512 1020401024