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48861919 = 532513673
BaseRepresentation
bin1011101001100…
…1001011011111
310101221102221201
42322121023133
5100002040134
64503140331
71132214401
oct272311337
9111842851
1048861919
1125643757
12144446a7
13a17a3a2
1466bcb71
154452914
hex2e992df

48861919 has 8 divisors (see below), whose sum is σ = 49995792. Its totient is φ = 47736000.

The previous prime is 48861899. The next prime is 48861929. The reversal of 48861919 is 91916884.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 48861919 - 25 = 48861887 is a prime.

It is a super-2 number, since 2×488619192 = 4774974256725122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48861929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11467 + ... + 15139.

It is an arithmetic number, because the mean of its divisors is an integer number (6249474).

Almost surely, 248861919 is an apocalyptic number.

48861919 is a deficient number, since it is larger than the sum of its proper divisors (1133873).

48861919 is a wasteful number, since it uses less digits than its factorization.

48861919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3977.

The product of its digits is 124416, while the sum is 46.

The square root of 48861919 is about 6990.1301132382. The cubic root of 48861919 is about 365.5865193291.

The spelling of 48861919 in words is "forty-eight million, eight hundred sixty-one thousand, nine hundred nineteen".

Divisors: 1 53 251 3673 13303 194669 921923 48861919