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42976745 = 576911777
BaseRepresentation
bin1010001111110…
…0010111101001
32222212110000022
42203330113221
542000223440
64133050225
71031203430
oct243742751
988773008
1042976745
1122294079
1212486975
138b99736
1459ca117
153b8dcb5
hex28fc5e9

42976745 has 16 divisors (see below), whose sum is σ = 59058048. Its totient is φ = 29410560.

The previous prime is 42976729. The next prime is 42976771. The reversal of 42976745 is 54767924.

It is not a de Polignac number, because 42976745 - 24 = 42976729 is a prime.

It is a super-2 number, since 2×429767452 = 3694001221590050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42976696 and 42976705.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23297 + ... + 25073.

It is an arithmetic number, because the mean of its divisors is an integer number (3691128).

Almost surely, 242976745 is an apocalyptic number.

It is an amenable number.

42976745 is a deficient number, since it is larger than the sum of its proper divisors (16081303).

42976745 is a wasteful number, since it uses less digits than its factorization.

42976745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480.

The product of its digits is 423360, while the sum is 44.

The square root of 42976745 is about 6555.6651073709. The cubic root of 42976745 is about 350.2766384315.

The spelling of 42976745 in words is "forty-two million, nine hundred seventy-six thousand, seven hundred forty-five".

Divisors: 1 5 7 35 691 1777 3455 4837 8885 12439 24185 62195 1227907 6139535 8595349 42976745