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42906430 = 2571314679
BaseRepresentation
bin1010001110101…
…1001100111110
32222201212120001
42203223030332
541441001210
64131344514
71030461430
oct243531476
988655501
1042906430
1122246266
121245213a
138b73728
1459ac650
153b7803a
hex28eb33e

42906430 has 32 divisors (see below), whose sum is σ = 88957440. Its totient is φ = 14595360.

The previous prime is 42906379. The next prime is 42906443. The reversal of 42906430 is 3460924.

It is a congruent number.

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, 6831 + ... + 11509.

It is an arithmetic number, because the mean of its divisors is an integer number (2779920).

Almost surely, 242906430 is an apocalyptic number.

42906430 is an abundant number, since it is smaller than the sum of its proper divisors (46051010).

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

42906430 is a wasteful number, since it uses less digits than its factorization.

42906430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4824.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 42906430 is about 6550.2999931301. The cubic root of 42906430 is about 350.0855029200.

The spelling of 42906430 in words is "forty-two million, nine hundred six thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 131 262 655 917 1310 1834 4585 4679 9170 9358 23395 32753 46790 65506 163765 327530 612949 1225898 3064745 4290643 6129490 8581286 21453215 42906430