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89223937560 = 233355373131163
BaseRepresentation
bin101001100011000101…
…0010011111000011000
322112022011120122121000
41103012022103320120
52430212312000220
6104553334345000
76306023645562
oct1230612237030
9275264518530
1089223937560
113492664a97a
1215360abb160
13854c100b34
144465c04332
1524c3182390
hex14c6293e18

89223937560 has 512 divisors, whose sum is σ = 311419468800. Its totient is φ = 22708408320.

The previous prime is 89223937553. The next prime is 89223937571. The reversal of 89223937560 is 6573932298.

It is a happy number.

It is a super-2 number, since 2×892239375602 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 89223937497 and 89223937506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 547386039 + ... + 547386201.

It is an arithmetic number, because the mean of its divisors is an integer number (608241150).

Almost surely, 289223937560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89223937560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155709734400).

89223937560 is an abundant number, since it is smaller than the sum of its proper divisors (222195531240).

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

89223937560 is a wasteful number, since it uses less digits than its factorization.

89223937560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 89223937560 in words is "eighty-nine billion, two hundred twenty-three million, nine hundred thirty-seven thousand, five hundred sixty".