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48029681 = 7232691109
BaseRepresentation
bin1011011100110…
…1111111110001
310100101011100002
42313031333301
544243422211
64433235345
71122150140
oct267157761
9110334302
1048029681
1125125457
1214102b55
139c4863b
146543757
15433b03b
hex2dcdff1

48029681 has 16 divisors (see below), whose sum is σ = 57542400. Its totient is φ = 39196608.

The previous prime is 48029677. The next prime is 48029711. The reversal of 48029681 is 18692084.

It is a cyclic number.

It is not a de Polignac number, because 48029681 - 22 = 48029677 is a prime.

It is a super-2 number, since 2×480296812 = 4613700513923522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48029671) 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, 42755 + ... + 43863.

It is an arithmetic number, because the mean of its divisors is an integer number (3596400).

Almost surely, 248029681 is an apocalyptic number.

It is an amenable number.

48029681 is a deficient number, since it is larger than the sum of its proper divisors (9512719).

48029681 is a wasteful number, since it uses less digits than its factorization.

48029681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 48029681 is about 6930.3449409102. The cubic root of 48029681 is about 363.4990114044.

The spelling of 48029681 in words is "forty-eight million, twenty-nine thousand, six hundred eighty-one".

Divisors: 1 7 23 161 269 1109 1883 6187 7763 25507 43309 178549 298321 2088247 6861383 48029681