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88194420 = 2236523263
BaseRepresentation
bin1010100000110…
…11110101110100
320010221202000000
411100123311310
5140034210140
612430151300
72120432406
oct520336564
9203852000
1088194420
1145868856
1225652530
131536c162
14b9dab76
157b21a30
hex541bd74

88194420 has 168 divisors, whose sum is σ = 290860416. Its totient is φ = 22410432.

The previous prime is 88194401. The next prime is 88194427. The reversal of 88194420 is 2449188.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88194427) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 335209 + ... + 335471.

It is an arithmetic number, because the mean of its divisors is an integer number (1731312).

Almost surely, 288194420 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 88194420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145430208).

88194420 is an abundant number, since it is smaller than the sum of its proper divisors (202665996).

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

88194420 is a wasteful number, since it uses less digits than its factorization.

88194420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 88194420 is about 9391.1884231976. The cubic root of 88194420 is about 445.1233424875.

The spelling of 88194420 in words is "eighty-eight million, one hundred ninety-four thousand, four hundred twenty".