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42470430 = 2351415681
BaseRepresentation
bin1010001000000…
…0110000011110
32221220201110220
42202000300132
541333023210
64114142210
71023664332
oct242006036
987821426
1042470430
1121a78732
1212281966
138a50142
1458d77c2
153addc70
hex2880c1e

42470430 has 16 divisors (see below), whose sum is σ = 101929104. Its totient is φ = 11325440.

The previous prime is 42470423. The next prime is 42470459. The reversal of 42470430 is 3407424.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42470430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707811 + ... + 707870.

It is an arithmetic number, because the mean of its divisors is an integer number (6370569).

Almost surely, 242470430 is an apocalyptic number.

42470430 is an abundant number, since it is smaller than the sum of its proper divisors (59458674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42470430 is a wasteful number, since it uses less digits than its factorization.

42470430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415691.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 42470430 is about 6516.9340951094. The cubic root of 42470430 is about 348.8956483665.

Adding to 42470430 its reverse (3407424), we get a palindrome (45877854).

The spelling of 42470430 in words is "forty-two million, four hundred seventy thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1415681 2831362 4247043 7078405 8494086 14156810 21235215 42470430