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1420262680 = 23535506567
BaseRepresentation
bin101010010100111…
…0111110100011000
310122222110211010111
41110221313310120
510402041401210
6352533054104
750124014344
oct12451676430
93588424114
101420262680
11669779411
12337787334
13198324625
14d68a8624
1584a4888a
hex54a77d18

1420262680 has 16 divisors (see below), whose sum is σ = 3195591120. Its totient is φ = 568105056.

The previous prime is 1420262659. The next prime is 1420262687. The reversal of 1420262680 is 862620241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420262687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17753244 + ... + 17753323.

It is an arithmetic number, because the mean of its divisors is an integer number (199724445).

Almost surely, 21420262680 is an apocalyptic number.

1420262680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420262680 is an abundant number, since it is smaller than the sum of its proper divisors (1775328440).

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

1420262680 is a wasteful number, since it uses less digits than its factorization.

1420262680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35506578 (or 35506574 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 1420262680 is about 37686.3726033695. The cubic root of 1420262680 is about 1124.0601678341.

The spelling of 1420262680 in words is "one billion, four hundred twenty million, two hundred sixty-two thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 35506567 71013134 142026268 177532835 284052536 355065670 710131340 1420262680