Search a number
-
+
86207401 = 729424667
BaseRepresentation
bin1010010001101…
…10101110101001
320000012210022201
411020312232221
5134032114101
612315420201
72064515350
oct510665651
9200183281
1086207401
1144730995
1224a54661
1314b248c7
14b640997
15787ce01
hex5236ba9

86207401 has 8 divisors (see below), whose sum is σ = 101920320. Its totient is φ = 71343888.

The previous prime is 86207371. The next prime is 86207411. The reversal of 86207401 is 10470268.

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

It is not a de Polignac number, because 86207401 - 27 = 86207273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86207401.

It is not an unprimeable number, because it can be changed into a prime (86207411) 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, 212131 + ... + 212536.

It is an arithmetic number, because the mean of its divisors is an integer number (12740040).

Almost surely, 286207401 is an apocalyptic number.

It is an amenable number.

86207401 is a deficient number, since it is larger than the sum of its proper divisors (15712919).

86207401 is a wasteful number, since it uses less digits than its factorization.

86207401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424703.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 86207401 is about 9284.7940741839. The cubic root of 86207401 is about 441.7550443452.

Adding to 86207401 its reverse (10470268), we get a palindrome (96677669).

The spelling of 86207401 in words is "eighty-six million, two hundred seven thousand, four hundred one".

Divisors: 1 7 29 203 424667 2972669 12315343 86207401