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42470351 = 7112323981
BaseRepresentation
bin1010001000000…
…0101111001111
32221220201100222
42202000233033
541333022401
64114141555
71023664160
oct242005717
987821328
1042470351
1121a78670
12122818bb
138a500b1
1458d7767
153addc1b
hex2880bcf

42470351 has 16 divisors (see below), whose sum is σ = 55254528. Its totient is φ = 31653600.

The previous prime is 42470347. The next prime is 42470419. The reversal of 42470351 is 15307424.

42470351 = T154 + T155 + ... + T636.

It is not a de Polignac number, because 42470351 - 22 = 42470347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42470351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42470251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10220 + ... + 13761.

It is an arithmetic number, because the mean of its divisors is an integer number (3453408).

Almost surely, 242470351 is an apocalyptic number.

42470351 is a deficient number, since it is larger than the sum of its proper divisors (12784177).

42470351 is a wasteful number, since it uses less digits than its factorization.

42470351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24022.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 42470351 is about 6516.9280339743. The cubic root of 42470351 is about 348.8954320374.

Adding to 42470351 its reverse (15307424), we get a palindrome (57777775).

The spelling of 42470351 in words is "forty-two million, four hundred seventy thousand, three hundred fifty-one".

Divisors: 1 7 11 23 77 161 253 1771 23981 167867 263791 551563 1846537 3860941 6067193 42470351