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88470239 = 113135113
BaseRepresentation
bin1010100010111…
…11001011011111
320011110202100112
411101133023133
5140122021424
612440120235
72122661504
oct521371337
9204422315
1088470239
1145a37000
122576607b
1315437870
14ba6d4ab
157b7860e
hex545f2df

88470239 has 16 divisors (see below), whose sum is σ = 104816544. Its totient is φ = 74226240.

The previous prime is 88470229. The next prime is 88470241. The reversal of 88470239 is 93207488.

It is not a de Polignac number, because 88470239 - 212 = 88466143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88470196 and 88470205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88470209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14747 + ... + 19859.

It is an arithmetic number, because the mean of its divisors is an integer number (6551034).

Almost surely, 288470239 is an apocalyptic number.

88470239 is a deficient number, since it is larger than the sum of its proper divisors (16346305).

88470239 is a wasteful number, since it uses less digits than its factorization.

88470239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5159 (or 5137 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 88470239 is about 9405.8619488062. The cubic root of 88470239 is about 445.5868854568.

The spelling of 88470239 in words is "eighty-eight million, four hundred seventy thousand, two hundred thirty-nine".

Divisors: 1 11 13 121 143 1331 1573 5113 17303 56243 66469 618673 731159 6805403 8042749 88470239