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431107148 = 22176339811
BaseRepresentation
bin11001101100100…
…010110001001100
31010001012111211102
4121230202301030
51340330412043
6110440042232
713453231103
oct3154426114
91101174742
10431107148
112013921aa
12100463378
136b4134b4
144138103a
1527caa6b8
hex19b22c4c

431107148 has 12 divisors (see below), whose sum is σ = 798816312. Its totient is φ = 202873920.

The previous prime is 431107139. The next prime is 431107217. The reversal of 431107148 is 841701134.

It is a self number, because there is not a number n which added to its sum of digits gives 431107148.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3169838 + ... + 3169973.

It is an arithmetic number, because the mean of its divisors is an integer number (66568026).

Almost surely, 2431107148 is an apocalyptic number.

It is an amenable number.

431107148 is a deficient number, since it is larger than the sum of its proper divisors (367709164).

431107148 is a wasteful number, since it uses less digits than its factorization.

431107148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6339832 (or 6339830 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 431107148 is about 20763.1199004389. The cubic root of 431107148 is about 755.4314730330.

The spelling of 431107148 in words is "four hundred thirty-one million, one hundred seven thousand, one hundred forty-eight".

Divisors: 1 2 4 17 34 68 6339811 12679622 25359244 107776787 215553574 431107148