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42280070 = 257604001
BaseRepresentation
bin1010000101001…
…0010010000110
32221120001100112
42201102102012
541310430240
64110113022
71022242340
oct241222206
987501315
1042280070
1121958708
12121ab772
1389b45c1
145888290
153aa2665
hex2852486

42280070 has 16 divisors (see below), whose sum is σ = 86976288. Its totient is φ = 14496000.

The previous prime is 42280039. The next prime is 42280079. The reversal of 42280070 is 7008224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42280079) 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, 301931 + ... + 302070.

It is an arithmetic number, because the mean of its divisors is an integer number (5436018).

Almost surely, 242280070 is an apocalyptic number.

42280070 is an abundant number, since it is smaller than the sum of its proper divisors (44696218).

42280070 is a wasteful number, since it uses less digits than its factorization.

42280070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604015.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 42280070 is about 6502.3126655060. The cubic root of 42280070 is about 348.3735968863.

Adding to 42280070 its reverse (7008224), we get a palindrome (49288294).

The spelling of 42280070 in words is "forty-two million, two hundred eighty thousand, seventy".

Divisors: 1 2 5 7 10 14 35 70 604001 1208002 3020005 4228007 6040010 8456014 21140035 42280070