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88421072 = 2443128519
BaseRepresentation
bin1010100010100…
…11001011010000
320011101020220112
411101103023100
5140113433242
612435100452
72122365245
oct521231320
9204336815
1088421072
1145a03073
1225741728
131541b37c
14ba595cc
157b68c82
hex54532d0

88421072 has 20 divisors (see below), whose sum is σ = 175301280. Its totient is φ = 43182048.

The previous prime is 88421059. The next prime is 88421077. The reversal of 88421072 is 27012488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88421077) 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 3 ways as a sum of consecutive naturals, for example, 63572 + ... + 64947.

It is an arithmetic number, because the mean of its divisors is an integer number (8765064).

Almost surely, 288421072 is an apocalyptic number.

It is an amenable number.

88421072 is a deficient number, since it is larger than the sum of its proper divisors (86880208).

88421072 is a wasteful number, since it uses less digits than its factorization.

88421072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128570 (or 128564 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 88421072 is about 9403.2479495119. The cubic root of 88421072 is about 445.5043257533.

The spelling of 88421072 in words is "eighty-eight million, four hundred twenty-one thousand, seventy-two".

Divisors: 1 2 4 8 16 43 86 172 344 688 128519 257038 514076 1028152 2056304 5526317 11052634 22105268 44210536 88421072