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101430312 = 2336179877
BaseRepresentation
bin1100000101110…
…11010000101000
321001212012020020
412002323100220
5201431232222
614022000440
72341100124
oct602732050
9231765206
10101430312
1152289105
1229b76120
1318024849
14d684584
158d8865c
hex60bb428

101430312 has 64 divisors (see below), whose sum is σ = 261292800. Its totient is φ = 32797440.

The previous prime is 101430293. The next prime is 101430319. The reversal of 101430312 is 213034101.

It is a junction number, because it is equal to n+sod(n) for n = 101430291 and 101430300.

It is not an unprimeable number, because it can be changed into a prime (101430319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115218 + ... + 116094.

It is an arithmetic number, because the mean of its divisors is an integer number (4082700).

Almost surely, 2101430312 is an apocalyptic number.

101430312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101430312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130646400).

101430312 is an abundant number, since it is smaller than the sum of its proper divisors (159862488).

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

101430312 is a wasteful number, since it uses less digits than its factorization.

101430312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 101430312 is about 10071.2616885870. The cubic root of 101430312 is about 466.3613890033.

Adding to 101430312 its reverse (213034101), we get a palindrome (314464413).

The spelling of 101430312 in words is "one hundred one million, four hundred thirty thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 61 79 122 158 183 237 244 316 366 474 488 632 732 877 948 1464 1754 1896 2631 3508 4819 5262 7016 9638 10524 14457 19276 21048 28914 38552 53497 57828 69283 106994 115656 138566 160491 207849 213988 277132 320982 415698 427976 554264 641964 831396 1283928 1662792 4226263 8452526 12678789 16905052 25357578 33810104 50715156 101430312