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56473121 = 295993251
BaseRepresentation
bin1101011101101…
…1011000100001
310221021010120002
43113123120201
5103424114441
65334225345
71254004445
oct327333041
9127233502
1056473121
1129972101
1216ab5255
13b913863
147700825
154e57b9b
hex35db621

56473121 has 8 divisors (see below), whose sum is σ = 58536000. Its totient is φ = 54418000.

The previous prime is 56473093. The next prime is 56473127. The reversal of 56473121 is 12137465.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56473121 is a prime.

It is a super-3 number, since 3×564731213 (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56473127) 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, 15746 + ... + 18996.

It is an arithmetic number, because the mean of its divisors is an integer number (7317000).

Almost surely, 256473121 is an apocalyptic number.

It is an amenable number.

56473121 is a deficient number, since it is larger than the sum of its proper divisors (2062879).

56473121 is a wasteful number, since it uses less digits than its factorization.

56473121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3879.

The product of its digits is 5040, while the sum is 29.

The square root of 56473121 is about 7514.8600120029. The cubic root of 56473121 is about 383.6606544326.

The spelling of 56473121 in words is "fifty-six million, four hundred seventy-three thousand, one hundred twenty-one".

Divisors: 1 29 599 3251 17371 94279 1947349 56473121