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88419990 = 2352947333
BaseRepresentation
bin1010100010100…
…10111010010110
320011101012102110
411101102322112
5140113414430
612435051450
72122362141
oct521227226
9204335373
1088419990
1145a0227a
1225740b86
131541aa29
14ba59058
157b687b0
hex5452e96

88419990 has 16 divisors (see below), whose sum is σ = 212208048. Its totient is φ = 23578656.

The previous prime is 88419979. The next prime is 88420051. The reversal of 88419990 is 9991488.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1473637 + ... + 1473696.

It is an arithmetic number, because the mean of its divisors is an integer number (13263003).

Almost surely, 288419990 is an apocalyptic number.

88419990 is an abundant number, since it is smaller than the sum of its proper divisors (123788058).

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

88419990 is a wasteful number, since it uses less digits than its factorization.

88419990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947343.

The product of its (nonzero) digits is 186624, while the sum is 48.

The square root of 88419990 is about 9403.1904160237. The cubic root of 88419990 is about 445.5025085482.

The spelling of 88419990 in words is "eighty-eight million, four hundred nineteen thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 2947333 5894666 8841999 14736665 17683998 29473330 44209995 88419990