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48139693 = 759229509
BaseRepresentation
bin1011011110100…
…0110110101101
310100120202020121
42313220312231
544310432233
64435444541
71123115650
oct267506655
9110522217
1048139693
11251a0078
1214156751
139c86734
146571897
15435d92d
hex2de8dad

48139693 has 16 divisors (see below), whose sum is σ = 56304000. Its totient is φ = 40306752.

The previous prime is 48139691. The next prime is 48139697. The reversal of 48139693 is 39693184.

It is a cyclic number.

It is not a de Polignac number, because 48139693 - 21 = 48139691 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48139691) 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, 94323 + ... + 94831.

It is an arithmetic number, because the mean of its divisors is an integer number (3519000).

Almost surely, 248139693 is an apocalyptic number.

It is an amenable number.

48139693 is a deficient number, since it is larger than the sum of its proper divisors (8164307).

48139693 is a wasteful number, since it uses less digits than its factorization.

48139693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804.

The product of its digits is 139968, while the sum is 43.

The square root of 48139693 is about 6938.2773798689. The cubic root of 48139693 is about 363.7763313130.

The spelling of 48139693 in words is "forty-eight million, one hundred thirty-nine thousand, six hundred ninety-three".

Divisors: 1 7 59 229 413 509 1603 3563 13511 30031 94577 116561 210217 815927 6877099 48139693