[go: up one dir, main page]

Search a number
-
+
20075607 = 34247847
BaseRepresentation
bin100110010010…
…1010001010111
31101202221120000
41030211101113
520114404412
61554142343
7332432316
oct114452127
941687500
1020075607
1110372112
1268819b3
13420b976
14294827d
151b684dc
hex1325457

20075607 has 10 divisors (see below), whose sum is σ = 29989608. Its totient is φ = 13383684.

The previous prime is 20075603. The next prime is 20075611. The reversal of 20075607 is 70657002.

It is an interprime number because it is at equal distance from previous prime (20075603) and next prime (20075611).

It is not a de Polignac number, because 20075607 - 22 = 20075603 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20075603) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 123843 + ... + 124004.

Almost surely, 220075607 is an apocalyptic number.

20075607 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

20075607 is a deficient number, since it is larger than the sum of its proper divisors (9914001).

20075607 is an equidigital number, since it uses as much as digits as its factorization.

20075607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247859 (or 247850 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 20075607 is about 4480.5811007056. The cubic root of 20075607 is about 271.7833798296.

The spelling of 20075607 in words is "twenty million, seventy-five thousand, six hundred seven".

Divisors: 1 3 9 27 81 247847 743541 2230623 6691869 20075607