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945040481 = 71112273253
BaseRepresentation
bin111000010101000…
…010110001100001
32102212021000211022
4320111002301201
53413412243411
6233435255225
732263466030
oct7025026141
92385230738
10945040481
114454a59a0
122245aa515
13120a36568
148d722717
1557e76edb
hex38542c61

945040481 has 8 divisors (see below), whose sum is σ = 1178232384. Its totient is φ = 736395120.

The previous prime is 945040471. The next prime is 945040483. The reversal of 945040481 is 184040549.

It is a happy number.

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 945040481 - 210 = 945039457 is a prime.

It is a super-2 number, since 2×9450404812 = 1786203021457422722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (945040483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6136550 + ... + 6136703.

It is an arithmetic number, because the mean of its divisors is an integer number (147279048).

Almost surely, 2945040481 is an apocalyptic number.

It is an amenable number.

945040481 is a deficient number, since it is larger than the sum of its proper divisors (233191903).

945040481 is a wasteful number, since it uses less digits than its factorization.

945040481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12273271.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 945040481 is about 30741.5107143419. The cubic root of 945040481 is about 981.3339051354. Note that the first 3 decimals are identical.

The spelling of 945040481 in words is "nine hundred forty-five million, forty thousand, four hundred eighty-one".

Divisors: 1 7 11 77 12273253 85912771 135005783 945040481