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40048307 = 131272191
BaseRepresentation
bin1001100011000…
…1011010110011
32210100122221122
42120301122303
540223021212
63550212455
7664255625
oct230613263
983318848
1040048307
1120673982
12114b412b
1383b2830
145466c15
1537b1272
hex26316b3

40048307 has 12 divisors (see below), whose sum is σ = 43698816. Its totient is φ = 36484560.

The previous prime is 40048303. The next prime is 40048321. The reversal of 40048307 is 70384004.

40048307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40048307 - 22 = 40048303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40048301) 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, 209582 + ... + 209772.

It is an arithmetic number, because the mean of its divisors is an integer number (3641568).

Almost surely, 240048307 is an apocalyptic number.

40048307 is a deficient number, since it is larger than the sum of its proper divisors (3650509).

40048307 is a wasteful number, since it uses less digits than its factorization.

40048307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 40048307 is about 6328.3731716769. The cubic root of 40048307 is about 342.1328069645.

The spelling of 40048307 in words is "forty million, forty-eight thousand, three hundred seven".

Divisors: 1 13 127 191 1651 2483 16129 24257 209677 315341 3080639 40048307