Search a number
-
+
90268429 = 412201669
BaseRepresentation
bin1010110000101…
…10001100001101
320021212010000011
411120112030031
5141102042204
612542433221
72144161156
oct530261415
9207763004
1090268429
1146a55009
1226292811
1315917194
14bdba92d
157dd1304
hex561630d

90268429 has 4 divisors (see below), whose sum is σ = 92470140. Its totient is φ = 88066720.

The previous prime is 90268427. The next prime is 90268439. The reversal of 90268429 is 92486209.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1946025 + 88322404 = 1395^2 + 9398^2 .

It is a cyclic number.

It is not a de Polignac number, because 90268429 - 21 = 90268427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90268391 and 90268400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90268427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1100794 + ... + 1100875.

It is an arithmetic number, because the mean of its divisors is an integer number (23117535).

Almost surely, 290268429 is an apocalyptic number.

It is an amenable number.

90268429 is a deficient number, since it is larger than the sum of its proper divisors (2201711).

90268429 is a wasteful number, since it uses less digits than its factorization.

90268429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201710.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 90268429 is about 9500.9698978578. The cubic root of 90268429 is about 448.5855654086.

The spelling of 90268429 in words is "ninety million, two hundred sixty-eight thousand, four hundred twenty-nine".

Divisors: 1 41 2201669 90268429