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48740391 = 327773657
BaseRepresentation
bin1011100111101…
…1100000100111
310101201021020200
42321323200213
544434143031
64500401543
71131200160
oct271734047
9111637220
1048740391
1125570417
12143a62b3
13a136c8b
14668a767
15442b8e6
hex2e7b827

48740391 has 12 divisors (see below), whose sum is σ = 80460432. Its totient is φ = 27851616.

The previous prime is 48740383. The next prime is 48740399. The reversal of 48740391 is 19304784.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (48740383) and next prime (48740399).

It is not a de Polignac number, because 48740391 - 23 = 48740383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48740399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 386766 + ... + 386891.

It is an arithmetic number, because the mean of its divisors is an integer number (6705036).

Almost surely, 248740391 is an apocalyptic number.

48740391 is a deficient number, since it is larger than the sum of its proper divisors (31720041).

48740391 is a wasteful number, since it uses less digits than its factorization.

48740391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773670 (or 773667 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 48740391 is about 6981.4318731905. The cubic root of 48740391 is about 365.2831755077.

The spelling of 48740391 in words is "forty-eight million, seven hundred forty thousand, three hundred ninety-one".

Divisors: 1 3 7 9 21 63 773657 2320971 5415599 6962913 16246797 48740391