Search a number
87232423 = 1743472539
BaseRepresentation
bin1010011001100…
…00111110100111
320002010212101111
411030300332213
5134312414143
612353405451
72106314635
oct514607647
9202125344
1087232423
1145271013
1225269887
13150c3325
14b82a355
1579d199d
hex5330fa7

87232423 has 16 divisors (see below), whose sum is σ = 96560640. Its totient is φ = 78454656.

The previous prime is 87232417. The next prime is 87232427. The reversal of 87232423 is 32423278.

It is a de Polignac number, because none of the positive numbers 2k-87232423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87232427) 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, 33088 + ... + 35626.

It is an arithmetic number, because the mean of its divisors is an integer number (6035040).

Almost surely, 287232423 is an apocalyptic number.

87232423 is a deficient number, since it is larger than the sum of its proper divisors (9328217).

87232423 is a wasteful number, since it uses less digits than its factorization.

87232423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646.

The product of its digits is 16128, while the sum is 31.

The square root of 87232423 is about 9339.8299235050. The cubic root of 87232423 is about 443.4990003397.

The spelling of 87232423 in words is "eighty-seven million, two hundred thirty-two thousand, four hundred twenty-three".