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88429820 = 2254421491
BaseRepresentation
bin1010100010101…
…01010011111100
320011101200220112
411101111103330
5140114223240
612435205152
72122432613
oct521252374
9204350815
1088429820
1145a096a6
12257467b8
131542234b
14ba5c87a
157b6b665
hex54554fc

88429820 has 12 divisors (see below), whose sum is σ = 185702664. Its totient is φ = 35371920.

The previous prime is 88429799. The next prime is 88429837. The reversal of 88429820 is 2892488.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2210726 + ... + 2210765.

It is an arithmetic number, because the mean of its divisors is an integer number (15475222).

Almost surely, 288429820 is an apocalyptic number.

It is an amenable number.

88429820 is an abundant number, since it is smaller than the sum of its proper divisors (97272844).

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

88429820 is a wasteful number, since it uses less digits than its factorization.

88429820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4421500 (or 4421498 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 88429820 is about 9403.7130964316. The cubic root of 88429820 is about 445.5190173618.

The spelling of 88429820 in words is "eighty-eight million, four hundred twenty-nine thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 4421491 8842982 17685964 22107455 44214910 88429820