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43057023 = 3139910259
BaseRepresentation
bin1010010000111…
…1111101111111
310000000112010120
42210033331333
542010311043
64134510023
71031656452
oct244177577
9100015116
1043057023
1122339419
1212505313
138bc7139
145a0b499
153ba7983
hex290ff7f

43057023 has 8 divisors (see below), whose sum is σ = 57456000. Its totient is φ = 28681368.

The previous prime is 43057019. The next prime is 43057031. The reversal of 43057023 is 32075034.

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

It is not a de Polignac number, because 43057023 - 22 = 43057019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43056984 and 43057002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43057013) 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, 933 + ... + 9326.

It is an arithmetic number, because the mean of its divisors is an integer number (7182000).

Almost surely, 243057023 is an apocalyptic number.

43057023 is a deficient number, since it is larger than the sum of its proper divisors (14398977).

43057023 is a wasteful number, since it uses less digits than its factorization.

43057023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11661.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 43057023 is about 6561.7850467689. The cubic root of 43057023 is about 350.4946014066.

The spelling of 43057023 in words is "forty-three million, fifty-seven thousand, twenty-three".

Divisors: 1 3 1399 4197 10259 30777 14352341 43057023