Search a number
-
+
88052831 = 130367577
BaseRepresentation
bin1010011111110…
…01010001011111
320010200112202222
411033321101133
5140020142311
612423135555
72116302536
oct517712137
9203615688
1088052831
1145781439
12255a45bb
131531c889
14b9a131d
157ae4adb
hex53f945f

88052831 has 4 divisors (see below), whose sum is σ = 88121712. Its totient is φ = 87983952.

The previous prime is 88052827. The next prime is 88052857. The reversal of 88052831 is 13825088.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 88052831 - 22 = 88052827 is a prime.

It is a super-2 number, since 2×880528312 = 15506602094229122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88052791 and 88052800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88052801) 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 3 ways as a sum of consecutive naturals, for example, 32486 + ... + 35091.

It is an arithmetic number, because the mean of its divisors is an integer number (22030428).

Almost surely, 288052831 is an apocalyptic number.

88052831 is a deficient number, since it is larger than the sum of its proper divisors (68881).

88052831 is a wasteful number, since it uses less digits than its factorization.

88052831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68880.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 88052831 is about 9383.6469989019. The cubic root of 88052831 is about 444.8850117405.

The spelling of 88052831 in words is "eighty-eight million, fifty-two thousand, eight hundred thirty-one".

Divisors: 1 1303 67577 88052831