Search a number
-
+
9995445 = 3251511471
BaseRepresentation
bin100110001000…
…010010110101
3200210211011200
4212020102311
510024323240
6554123113
7150650145
oct46102265
920724150
109995445
1157077a9
123420499
1320bc785
141482925
15d26930
hex9884b5

9995445 has 24 divisors (see below), whose sum is σ = 17452032. Its totient is φ = 5292000.

The previous prime is 9995437. The next prime is 9995477. The reversal of 9995445 is 5445999.

It is not a de Polignac number, because 9995445 - 23 = 9995437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an Ulam number.

It is a Curzon number.

9995445 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9995445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6060 + ... + 7530.

It is an arithmetic number, because the mean of its divisors is an integer number (727168).

Almost surely, 29995445 is an apocalyptic number.

It is an amenable number.

9995445 is a deficient number, since it is larger than the sum of its proper divisors (7456587).

9995445 is a wasteful number, since it uses less digits than its factorization.

9995445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633 (or 1630 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 9995445 is about 3161.5573693988. The cubic root of 9995445 is about 215.4107525352.

It can be divided in two parts, 99954 and 45, that added together give a palindrome (99999).

The spelling of 9995445 in words is "nine million, nine hundred ninety-five thousand, four hundred forty-five".

Divisors: 1 3 5 9 15 45 151 453 755 1359 1471 2265 4413 6795 7355 13239 22065 66195 222121 666363 1110605 1999089 3331815 9995445