Search a number
-
+
88003861 = 1171281401
BaseRepresentation
bin1010011111011…
…01010100010101
320010121001121021
411033231110111
5140012110421
612422121141
72116010011
oct517552425
9203531537
1088003861
1145748670
12255801b1
13153034ba
14b98b541
157ad5341
hex53ed515

88003861 has 16 divisors (see below), whose sum is σ = 97946496. Its totient is φ = 78400000.

The previous prime is 88003841. The next prime is 88003873. The reversal of 88003861 is 16830088.

It is a 5-Lehmer number, since φ(88003861) divides (88003861-1)5.

It is a cyclic number.

It is not a de Polignac number, because 88003861 - 27 = 88003733 is a prime.

It is a Duffinian number.

88003861 is a modest number, since divided by 3861 gives 88 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88003831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219261 + ... + 219661.

It is an arithmetic number, because the mean of its divisors is an integer number (6121656).

Almost surely, 288003861 is an apocalyptic number.

It is an amenable number.

88003861 is a deficient number, since it is larger than the sum of its proper divisors (9942635).

88003861 is a wasteful number, since it uses less digits than its factorization.

88003861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 88003861 is about 9381.0373093811. The cubic root of 88003861 is about 444.8025231605.

The spelling of 88003861 in words is "eighty-eight million, three thousand, eight hundred sixty-one".

Divisors: 1 11 71 281 401 781 3091 4411 19951 28471 112681 219461 313181 1239491 8000351 88003861