Search a number
-
+
90353501 = 721843949
BaseRepresentation
bin1010110001010…
…10111101011101
320022000102200222
411120222331131
5141112303001
612544331125
72144664200
oct530527535
9208012628
1090353501
1147002a17
1226313aa5
1315946b14
14bddd937
157deb61b
hex562af5d

90353501 has 6 divisors (see below), whose sum is σ = 105105150. Its totient is φ = 77445816.

The previous prime is 90353467. The next prime is 90353507. The reversal of 90353501 is 10535309.

It can be written as a sum of positive squares in only one way, i.e., 90231001 + 122500 = 9499^2 + 350^2 .

It is not a de Polignac number, because 90353501 - 210 = 90352477 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 (90353507) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 921926 + ... + 922023.

It is an arithmetic number, because the mean of its divisors is an integer number (17517525).

Almost surely, 290353501 is an apocalyptic number.

It is an amenable number.

90353501 is a deficient number, since it is larger than the sum of its proper divisors (14751649).

90353501 is a wasteful number, since it uses less digits than its factorization.

90353501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843963 (or 1843956 counting only the distinct ones).

The product of its (nonzero) digits is 2025, while the sum is 26.

The square root of 90353501 is about 9505.4458601372. The cubic root of 90353501 is about 448.7264418645.

The spelling of 90353501 in words is "ninety million, three hundred fifty-three thousand, five hundred one".

Divisors: 1 7 49 1843949 12907643 90353501