Search a number
-
+
20674752 = 263715383
BaseRepresentation
bin100111011011…
…1100011000000
31102220101102120
41032313203000
520243043002
62015044240
7340506150
oct116674300
942811376
1020674752
111074127a
126b10680
13438b5a7
142a62760
151c35cbc
hex13b78c0

20674752 has 56 divisors (see below), whose sum is σ = 62520576. Its totient is φ = 5906688.

The previous prime is 20674751. The next prime is 20674763. The reversal of 20674752 is 25747602.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (20674751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6348 + ... + 9035.

Almost surely, 220674752 is an apocalyptic number.

It is an amenable number.

20674752 is an abundant number, since it is smaller than the sum of its proper divisors (41845824).

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

20674752 is a wasteful number, since it uses less digits than its factorization.

20674752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15405 (or 15395 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 20674752 is about 4546.9497468083. The cubic root of 20674752 is about 274.4606597216.

The spelling of 20674752 in words is "twenty million, six hundred seventy-four thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 168 192 224 336 448 672 1344 15383 30766 46149 61532 92298 107681 123064 184596 215362 246128 323043 369192 430724 492256 646086 738384 861448 984512 1292172 1476768 1722896 2584344 2953536 3445792 5168688 6891584 10337376 20674752