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88430216 = 2372371967
BaseRepresentation
bin1010100010101…
…01011010001000
320011101201110012
411101111122020
5140114231331
612435211052
72122434020
oct521253210
9204351405
1088430216
1145a09a26
1225746a88
1315422594
14ba5ca80
157b6b82b
hex5455688

88430216 has 64 divisors (see below), whose sum is σ = 200724480. Its totient is φ = 35703360.

The previous prime is 88430213. The next prime is 88430219. The reversal of 88430216 is 61203488.

It is an interprime number because it is at equal distance from previous prime (88430213) and next prime (88430219).

It is not an unprimeable number, because it can be changed into a prime (88430213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90965 + ... + 91931.

It is an arithmetic number, because the mean of its divisors is an integer number (3136320).

Almost surely, 288430216 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 88430216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100362240).

88430216 is an abundant number, since it is smaller than the sum of its proper divisors (112294264).

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

88430216 is a wasteful number, since it uses less digits than its factorization.

88430216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074 (or 1070 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 88430216 is about 9403.7341519207. The cubic root of 88430216 is about 445.5196823911.

The spelling of 88430216 in words is "eighty-eight million, four hundred thirty thousand, two hundred sixteen".

Divisors: 1 2 4 7 8 14 23 28 46 56 71 92 142 161 184 284 322 497 568 644 967 994 1288 1633 1934 1988 3266 3868 3976 6532 6769 7736 11431 13064 13538 22241 22862 27076 44482 45724 54152 68657 88964 91448 137314 155687 177928 274628 311374 480599 549256 622748 961198 1245496 1579111 1922396 3158222 3844792 6316444 11053777 12632888 22107554 44215108 88430216