Search a number
-
+
19933152 = 253892333
BaseRepresentation
bin100110000001…
…0011111100000
31101111201010220
41030002133200
520100330102
61551123040
7331300101
oct114023740
941451126
1019933152
1110285088
126813480
13418bb85
14290c3a8
151b3b1bc
hex13027e0

19933152 has 48 divisors (see below), whose sum is σ = 52935120. Its totient is φ = 6566912.

The previous prime is 19933117. The next prime is 19933159. The reversal of 19933152 is 25133991.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19933159) 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, 7378 + ... + 9710.

It is an arithmetic number, because the mean of its divisors is an integer number (1102815).

Almost surely, 219933152 is an apocalyptic number.

19933152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19933152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26467560).

19933152 is an abundant number, since it is smaller than the sum of its proper divisors (33001968).

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

19933152 is a wasteful number, since it uses less digits than its factorization.

19933152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2435 (or 2427 counting only the distinct ones).

The product of its digits is 7290, while the sum is 33.

The square root of 19933152 is about 4464.6558657975. The cubic root of 19933152 is about 271.1390017789.

The spelling of 19933152 in words is "nineteen million, nine hundred thirty-three thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 89 96 178 267 356 534 712 1068 1424 2136 2333 2848 4272 4666 6999 8544 9332 13998 18664 27996 37328 55992 74656 111984 207637 223968 415274 622911 830548 1245822 1661096 2491644 3322192 4983288 6644384 9966576 19933152