Search a number
-
+
325872001 = 7213511573
BaseRepresentation
bin10011011011000…
…110100110000001
3211201012000100101
4103123012212001
51131410401001
652200322401
711034603100
oct2333064601
9751160311
10325872001
11157a45504
1291173401
1352688b90
14313ca037
151d91ea01
hex136c6981

325872001 has 12 divisors (see below), whose sum is σ = 408236052. Its totient is φ = 257832288.

The previous prime is 325871993. The next prime is 325872007. The reversal of 325872001 is 100278523.

It can be written as a sum of positive squares in 2 ways, for example, as 164454976 + 161417025 = 12824^2 + 12705^2 .

It is not a de Polignac number, because 325872001 - 23 = 325871993 is a prime.

It is a super-2 number, since 2×3258720012 = 212385122071488002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (325872007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255150 + ... + 256423.

It is an arithmetic number, because the mean of its divisors is an integer number (34019671).

Almost surely, 2325872001 is an apocalyptic number.

It is an amenable number.

325872001 is a deficient number, since it is larger than the sum of its proper divisors (82364051).

325872001 is a wasteful number, since it uses less digits than its factorization.

325872001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511600 (or 511593 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 325872001 is about 18051.9251327940. The cubic root of 325872001 is about 688.1487877064.

The spelling of 325872001 in words is "three hundred twenty-five million, eight hundred seventy-two thousand, one".

Divisors: 1 7 13 49 91 637 511573 3581011 6650449 25067077 46553143 325872001