Search a number
-
+
80253888 = 26311133779
BaseRepresentation
bin1001100100010…
…01001111000000
312121000022122020
410302021033000
5131021111023
611544041440
71663101231
oct462111700
9177008566
1080253888
1141334a30
1222a63280
131381bb10
14a931088
1570a3de3
hex4c893c0

80253888 has 224 divisors, whose sum is σ = 259445760. Its totient is φ = 21565440.

The previous prime is 80253883. The next prime is 80253907. The reversal of 80253888 is 88835208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80253883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1015833 + ... + 1015911.

It is an arithmetic number, because the mean of its divisors is an integer number (1158240).

Almost surely, 280253888 is an apocalyptic number.

80253888 is a gapful number since it is divisible by the number (88) 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 80253888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129722880).

80253888 is an abundant number, since it is smaller than the sum of its proper divisors (179191872).

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

80253888 is a wasteful number, since it uses less digits than its factorization.

80253888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The square root of 80253888 is about 8958.4534379546. The cubic root of 80253888 is about 431.3422775858.

The spelling of 80253888 in words is "eighty million, two hundred fifty-three thousand, eight hundred eighty-eight".