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48718137 = 3132307313
BaseRepresentation
bin1011100111011…
…0000100111001
310101200010201110
42321312010321
544432440022
64500110533
71131045246
oct271660471
9111603643
1048718137
1125555726
1214395449
13a129b00
1466825cd
15442500c
hex2e76139

48718137 has 24 divisors (see below), whose sum is σ = 70793184. Its totient is φ = 29787264.

The previous prime is 48718133. The next prime is 48718139. The reversal of 48718137 is 73181784.

It is not a de Polignac number, because 48718137 - 22 = 48718133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 48718095 and 48718104.

It is not an unprimeable number, because it can be changed into a prime (48718133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155493 + ... + 155805.

It is an arithmetic number, because the mean of its divisors is an integer number (2949716).

Almost surely, 248718137 is an apocalyptic number.

It is an amenable number.

48718137 is a deficient number, since it is larger than the sum of its proper divisors (22075047).

48718137 is a wasteful number, since it uses less digits than its factorization.

48718137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649 (or 636 counting only the distinct ones).

The product of its digits is 37632, while the sum is 39.

The square root of 48718137 is about 6979.8378921004. The cubic root of 48718137 is about 365.2275730999.

The spelling of 48718137 in words is "forty-eight million, seven hundred eighteen thousand, one hundred thirty-seven".

Divisors: 1 3 13 39 169 307 313 507 921 939 3991 4069 11973 12207 51883 52897 96091 155649 158691 288273 1249183 3747549 16239379 48718137