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48143973 = 3291015479
BaseRepresentation
bin1011011110100…
…1111001100101
310100120222010010
42313221321211
544311101343
64435520433
71123134303
oct267517145
9110528103
1048143973
11251a3309
1214159119
139c88677
146573273
15435ed33
hex2de9e65

48143973 has 16 divisors (see below), whose sum is σ = 67075200. Its totient is φ = 30676800.

The previous prime is 48143969. The next prime is 48143999. The reversal of 48143973 is 37934184.

It is not a de Polignac number, because 48143973 - 22 = 48143969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48143903) 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, 6048 + ... + 11526.

It is an arithmetic number, because the mean of its divisors is an integer number (4192200).

Almost surely, 248143973 is an apocalyptic number.

It is an amenable number.

48143973 is a deficient number, since it is larger than the sum of its proper divisors (18931227).

48143973 is a wasteful number, since it uses less digits than its factorization.

48143973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5612.

The product of its digits is 72576, while the sum is 39.

The square root of 48143973 is about 6938.5858069206. The cubic root of 48143973 is about 363.7871118593.

The spelling of 48143973 in words is "forty-eight million, one hundred forty-three thousand, nine hundred seventy-three".

Divisors: 1 3 29 87 101 303 2929 5479 8787 16437 158891 476673 553379 1660137 16047991 48143973