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10506012 = 22311195971
BaseRepresentation
bin101000000100…
…111100011100
3201202202112120
4220010330130
510142143022
61013102540
7155204526
oct50047434
921682476
1010506012
115a26360
123627a50
13223ac9a
141576a16
15dc7d5c
hexa04f1c

10506012 has 96 divisors (see below), whose sum is σ = 29030400. Its totient is φ = 2923200.

The previous prime is 10506011. The next prime is 10506019. The reversal of 10506012 is 21060501.

It is a super-2 number, since 2×105060122 = 220752576288288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10505982 and 10506000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10506011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147937 + ... + 148007.

It is an arithmetic number, because the mean of its divisors is an integer number (302400).

Almost surely, 210506012 is an apocalyptic number.

10506012 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 10506012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14515200).

10506012 is an abundant number, since it is smaller than the sum of its proper divisors (18524388).

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

10506012 is a wasteful number, since it uses less digits than its factorization.

10506012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 10506012 is about 3241.2978881923. The cubic root of 10506012 is about 219.0177421459.

Adding to 10506012 its reverse (21060501), we get a palindrome (31566513).

The spelling of 10506012 in words is "ten million, five hundred six thousand, twelve".

Divisors: 1 2 3 4 6 11 12 19 22 33 38 44 57 59 66 71 76 114 118 132 142 177 209 213 228 236 284 354 418 426 627 649 708 781 836 852 1121 1254 1298 1349 1562 1947 2242 2343 2508 2596 2698 3124 3363 3894 4047 4189 4484 4686 5396 6726 7788 8094 8378 9372 12331 12567 13452 14839 16188 16756 24662 25134 29678 36993 44517 46079 49324 50268 59356 73986 79591 89034 92158 138237 147972 159182 178068 184316 238773 276474 318364 477546 552948 875501 955092 1751002 2626503 3502004 5253006 10506012