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1631424234 = 2311151313523
BaseRepresentation
bin110000100111101…
…1000111011101010
311012200210221022210
41201033120323222
511320121033414
6425515025550
755266606606
oct14117307352
94180727283
101631424234
117679951a0
1239643b2b6
131cccb90ab
14116954506
1598359e59
hex613d8eea

1631424234 has 64 divisors (see below), whose sum is σ = 3601363968. Its totient is φ = 488592000.

The previous prime is 1631424233. The next prime is 1631424251. The reversal of 1631424234 is 4324241361.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1631424233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3119097 + ... + 3119619.

It is an arithmetic number, because the mean of its divisors is an integer number (56271312).

Almost surely, 21631424234 is an apocalyptic number.

1631424234 is an abundant number, since it is smaller than the sum of its proper divisors (1969939734).

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

1631424234 is a wasteful number, since it uses less digits than its factorization.

1631424234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003.

The product of its digits is 13824, while the sum is 30.

The square root of 1631424234 is about 40390.8929586856. The cubic root of 1631424234 is about 1177.2145912366.

Adding to 1631424234 its reverse (4324241361), we get a palindrome (5955665595).

The spelling of 1631424234 in words is "one billion, six hundred thirty-one million, four hundred twenty-four thousand, two hundred thirty-four".

Divisors: 1 2 3 6 11 22 33 66 151 302 313 453 523 626 906 939 1046 1569 1661 1878 3138 3322 3443 4983 5753 6886 9966 10329 11506 17259 20658 34518 47263 78973 94526 141789 157946 163699 236919 283578 327398 473838 491097 519893 868703 982194 1039786 1559679 1737406 1800689 2606109 3119358 3601378 5212218 5402067 10804134 24718549 49437098 74155647 148311294 271904039 543808078 815712117 1631424234