Search a number
-
+
20074765 = 54393371
BaseRepresentation
bin100110010010…
…1000100001101
31101202220101211
41030211010031
520114343030
61554134421
7332430004
oct114450415
941686354
1020074765
1110371517
126881411
13420b479
142947c3b
151b6812a
hex132510d

20074765 has 8 divisors (see below), whose sum is σ = 24650208. Its totient is φ = 15686160.

The previous prime is 20074759. The next prime is 20074771. The reversal of 20074765 is 56747002.

It is an interprime number because it is at equal distance from previous prime (20074759) and next prime (20074771).

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

It is not a de Polignac number, because 20074765 - 29 = 20074253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46471 + ... + 46900.

It is an arithmetic number, because the mean of its divisors is an integer number (3081276).

Almost surely, 220074765 is an apocalyptic number.

It is an amenable number.

20074765 is a deficient number, since it is larger than the sum of its proper divisors (4575443).

20074765 is an equidigital number, since it uses as much as digits as its factorization.

20074765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93419.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 20074765 is about 4480.4871386937. The cubic root of 20074765 is about 271.7795801138.

The spelling of 20074765 in words is "twenty million, seventy-four thousand, seven hundred sixty-five".

Divisors: 1 5 43 215 93371 466855 4014953 20074765