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101030310 = 23251995641
BaseRepresentation
bin1100000010110…
…01100110100110
321001002212112100
412001121212212
5201330432220
614005232530
72334513003
oct601314646
9231085470
10101030310
1152035627
1229a02746
1317c14764
14d5bc8aa
158d09d90
hex60599a6

101030310 has 48 divisors (see below), whose sum is σ = 264045600. Its totient is φ = 26801280.

The previous prime is 101030299. The next prime is 101030311. The reversal of 101030310 is 13030101.

It is a super-2 number, since 2×1010303102 = 20414247077392200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 101030292 and 101030301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101030311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15090 + ... + 20730.

It is an arithmetic number, because the mean of its divisors is an integer number (5500950).

Almost surely, 2101030310 is an apocalyptic number.

101030310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 101030310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132022800).

101030310 is an abundant number, since it is smaller than the sum of its proper divisors (163015290).

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

101030310 is a wasteful number, since it uses less digits than its factorization.

101030310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5853 (or 5850 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 101030310 is about 10051.3834868639. The cubic root of 101030310 is about 465.7475315858.

Adding to 101030310 its reverse (13030101), we get a palindrome (114060411).

The spelling of 101030310 in words is "one hundred one million, thirty thousand, three hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 199 398 597 995 1194 1791 1990 2985 3582 5641 5970 8955 11282 16923 17910 28205 33846 50769 56410 84615 101538 169230 253845 507690 1122559 2245118 3367677 5612795 6735354 10103031 11225590 16838385 20206062 33676770 50515155 101030310