Search a number
-
+
20110972 = 2272102607
BaseRepresentation
bin100110010110…
…1111001111100
31101211202001211
41030231321330
520122022342
61555014204
7332640400
oct114557174
941752054
1020110972
1110396742
12689a364
134221aab
142957100
151b73c17
hex132de7c

20110972 has 18 divisors (see below), whose sum is σ = 40940592. Its totient is φ = 8618904.

The previous prime is 20110969. The next prime is 20110991. The reversal of 20110972 is 27901102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51108 + ... + 51499.

Almost surely, 220110972 is an apocalyptic number.

It is an amenable number.

20110972 is an abundant number, since it is smaller than the sum of its proper divisors (20829620).

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

20110972 is a wasteful number, since it uses less digits than its factorization.

20110972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102625 (or 102616 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 20110972 is about 4484.5258389266. The cubic root of 20110972 is about 271.9428765567.

The spelling of 20110972 in words is "twenty million, one hundred ten thousand, nine hundred seventy-two".

Divisors: 1 2 4 7 14 28 49 98 196 102607 205214 410428 718249 1436498 2872996 5027743 10055486 20110972