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22453403040 = 253356318237
BaseRepresentation
bin10100111010010100…
…111011110110100000
32010221211001001112000
4110322110323312200
5331441032344130
614152010204000
71423262530305
oct247224736640
963854031460
1022453403040
1195823a7042
124427723600
13216aa70903
1411300870ac
158b6340260
hex53a53bda0

22453403040 has 192 divisors, whose sum is σ = 78721009920. Its totient is φ = 5977359360.

The previous prime is 22453402981. The next prime is 22453403059. The reversal of 22453403040 is 4030435422.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 22453402995 and 22453403013.

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, 2721802 + ... + 2730038.

It is an arithmetic number, because the mean of its divisors is an integer number (410005260).

Almost surely, 222453403040 is an apocalyptic number.

22453403040 is a gapful number since it is divisible by the number (20) 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 22453403040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39360504960).

22453403040 is an abundant number, since it is smaller than the sum of its proper divisors (56267606880).

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

22453403040 is a wasteful number, since it uses less digits than its factorization.

22453403040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8892 (or 8878 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 22453403040 its reverse (4030435422), we get a palindrome (26483838462).

The spelling of 22453403040 in words is "twenty-two billion, four hundred fifty-three million, four hundred three thousand, forty".