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48439797 = 3719121403
BaseRepresentation
bin1011100011001…
…0000111110101
310101010222220120
42320302013311
544400033142
64450122153
71125505620
oct270620765
9111128816
1048439797
112538559a
1214280359
13a060203
14660cdb7
1543bc7ec
hex2e321f5

48439797 has 16 divisors (see below), whose sum is σ = 77698560. Its totient is φ = 26222832.

The previous prime is 48439793. The next prime is 48439799. The reversal of 48439797 is 79793484.

It is a happy number.

It is not a de Polignac number, because 48439797 - 22 = 48439793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48439793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60303 + ... + 61100.

It is an arithmetic number, because the mean of its divisors is an integer number (4856160).

Almost surely, 248439797 is an apocalyptic number.

It is an amenable number.

48439797 is a deficient number, since it is larger than the sum of its proper divisors (29258763).

48439797 is a wasteful number, since it uses less digits than its factorization.

48439797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121432.

The product of its digits is 1524096, while the sum is 51.

The square root of 48439797 is about 6959.8704729327. The cubic root of 48439797 is about 364.5306960249.

The spelling of 48439797 in words is "forty-eight million, four hundred thirty-nine thousand, seven hundred ninety-seven".

Divisors: 1 3 7 19 21 57 133 399 121403 364209 849821 2306657 2549463 6919971 16146599 48439797