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1075019420 = 22553750971
BaseRepresentation
bin100000000010011…
…0111111010011100
32202220211122102002
41000010313322130
54200201110140
6254401221432
735432341256
oct10004677234
92686748362
101075019420
11501903002
12260031878
13141945587
14a2ab8cd6
156459e415
hex40137e9c

1075019420 has 12 divisors (see below), whose sum is σ = 2257540824. Its totient is φ = 430007760.

The previous prime is 1075019419. The next prime is 1075019441. The reversal of 1075019420 is 249105701.

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, 26875466 + ... + 26875505.

It is an arithmetic number, because the mean of its divisors is an integer number (188128402).

Almost surely, 21075019420 is an apocalyptic number.

1075019420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1075019420 is an abundant number, since it is smaller than the sum of its proper divisors (1182521404).

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

1075019420 is a wasteful number, since it uses less digits than its factorization.

1075019420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53750980 (or 53750978 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 1075019420 is about 32787.4887723961. The cubic root of 1075019420 is about 1024.4059758559.

The spelling of 1075019420 in words is "one billion, seventy-five million, nineteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 53750971 107501942 215003884 268754855 537509710 1075019420