Search a number
-
+
99488761 = 584317027
BaseRepresentation
bin1011110111000…
…01001111111001
320221012112220221
411323201033321
5200432120021
613512220041
72315432461
oct573411771
9227175827
1099488761
1151182419
122939a621
13177c4bb8
14d2daba1
158b03241
hex5ee13f9

99488761 has 4 divisors (see below), whose sum is σ = 99511632. Its totient is φ = 99465892.

The previous prime is 99488699. The next prime is 99488783. The reversal of 99488761 is 16788499.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99488761 - 27 = 99488633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99488699 and 99488708.

It is not an unprimeable number, because it can be changed into a prime (99488861) 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, 2671 + ... + 14356.

It is an arithmetic number, because the mean of its divisors is an integer number (24877908).

Almost surely, 299488761 is an apocalyptic number.

It is an amenable number.

99488761 is a deficient number, since it is larger than the sum of its proper divisors (22871).

99488761 is a wasteful number, since it uses less digits than its factorization.

99488761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22870.

The product of its digits is 870912, while the sum is 52.

The square root of 99488761 is about 9974.4052955552. The cubic root of 99488761 is about 463.3665444970.

The spelling of 99488761 in words is "ninety-nine million, four hundred eighty-eight thousand, seven hundred sixty-one".

Divisors: 1 5843 17027 99488761