Search a number
-
+
88655040 = 2633531331
BaseRepresentation
bin1010100100011…
…00010011000000
320011211010212000
411102030103000
5140143430130
612444104000
72124361335
oct522142300
9204733760
1088655040
1146052931
1225835000
13154a0a06
14baba98c
157bb3260
hex548c4c0

88655040 has 224 divisors, whose sum is σ = 323819520. Its totient is φ = 22809600.

The previous prime is 88655033. The next prime is 88655057. The reversal of 88655040 is 4055688.

It is a happy number.

It is a super-2 number, since 2×886550402 = 15719432234803200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 88654986 and 88655004.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267675 + ... + 268005.

Almost surely, 288655040 is an apocalyptic number.

88655040 is a gapful number since it is divisible by the number (80) 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 88655040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161909760).

88655040 is an abundant number, since it is smaller than the sum of its proper divisors (235164480).

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

88655040 is a wasteful number, since it uses less digits than its factorization.

88655040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 88655040 is about 9415.6805383360. The cubic root of 88655040 is about 445.8969243054.

The spelling of 88655040 in words is "eighty-eight million, six hundred fifty-five thousand, forty".