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56154045 = 3512233061
BaseRepresentation
bin1101011000110…
…1011110111101
310220122220212110
43112031132331
5103333412140
65323324233
71251205263
oct326153675
9126586773
1056154045
1129774402
1216980679
13b83155c
14765a433
154de3380
hex358d7bd

56154045 has 16 divisors (see below), whose sum is σ = 89949312. Its totient is φ = 29914560.

The previous prime is 56154037. The next prime is 56154047. The reversal of 56154045 is 54045165.

It is not a de Polignac number, because 56154045 - 23 = 56154037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56154047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16815 + ... + 19875.

It is an arithmetic number, because the mean of its divisors is an integer number (5621832).

Almost surely, 256154045 is an apocalyptic number.

It is an amenable number.

56154045 is a deficient number, since it is larger than the sum of its proper divisors (33795267).

56154045 is a wasteful number, since it uses less digits than its factorization.

56154045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4292.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 56154045 is about 7493.6002695634. The cubic root of 56154045 is about 382.9367219072.

The spelling of 56154045 in words is "fifty-six million, one hundred fifty-four thousand, forty-five".

Divisors: 1 3 5 15 1223 3061 3669 6115 9183 15305 18345 45915 3743603 11230809 18718015 56154045