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88472105 = 553333857
BaseRepresentation
bin1010100010111…
…11101000101001
320011110211220122
411101133220221
5140122101410
612440133025
72123000111
oct521375051
9204424818
1088472105
1145a38447
1225767175
1315438677
14ba70041
157b78e55
hex545fa29

88472105 has 8 divisors (see below), whose sum is σ = 108169992. Its totient is φ = 69442048.

The previous prime is 88472101. The next prime is 88472117. The reversal of 88472105 is 50127488.

It can be written as a sum of positive squares in 4 ways, for example, as 337561 + 88134544 = 581^2 + 9388^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 88472105 - 22 = 88472101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88472101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166664 + ... + 167193.

It is an arithmetic number, because the mean of its divisors is an integer number (13521249).

Almost surely, 288472105 is an apocalyptic number.

It is an amenable number.

88472105 is a deficient number, since it is larger than the sum of its proper divisors (19697887).

88472105 is a wasteful number, since it uses less digits than its factorization.

88472105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333915.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 88472105 is about 9405.9611417441. The cubic root of 88472105 is about 445.5900181837.

The spelling of 88472105 in words is "eighty-eight million, four hundred seventy-two thousand, one hundred five".

Divisors: 1 5 53 265 333857 1669285 17694421 88472105