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40901321 = 831792753
BaseRepresentation
bin1001110000000…
…1101011001001
32211222000001202
42130001223021
540432320241
64020353545
71004440556
oct234015311
984860052
1040901321
11210a684a
12118458b5
138620b86
145609a2d
1538cdd9b
hex2701ac9

40901321 has 8 divisors (see below), whose sum is σ = 41640480. Its totient is φ = 40168192.

The previous prime is 40901297. The next prime is 40901323. The reversal of 40901321 is 12310904.

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

It is a cyclic number.

It is not a de Polignac number, because 40901321 - 26 = 40901257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40901293 and 40901302.

It is not an unprimeable number, because it can be changed into a prime (40901323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13481 + ... + 16233.

It is an arithmetic number, because the mean of its divisors is an integer number (5205060).

Almost surely, 240901321 is an apocalyptic number.

It is an amenable number.

40901321 is a deficient number, since it is larger than the sum of its proper divisors (739159).

40901321 is a wasteful number, since it uses less digits than its factorization.

40901321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 40901321 is about 6395.4140600902. The cubic root of 40901321 is about 344.5448622661.

The spelling of 40901321 in words is "forty million, nine hundred one thousand, three hundred twenty-one".

Divisors: 1 83 179 2753 14857 228499 492787 40901321