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72050112 = 2632432909
BaseRepresentation
bin1000100101101…
…10010111000000
312000120112011200
410102312113000
5121421100422
611052141200
71533262431
oct422662700
9160515150
1072050112
1137741352
1220167800
1311c08a04
1497d7488
1564d32ac
hex44b65c0

72050112 has 84 divisors (see below), whose sum is σ = 211394040. Its totient is φ = 23450112.

The previous prime is 72050101. The next prime is 72050113. The reversal of 72050112 is 21105027.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72050113) 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 11 ways as a sum of consecutive naturals, for example, 23314 + ... + 26222.

Almost surely, 272050112 is an apocalyptic number.

72050112 is a gapful number since it is divisible by the number (72) 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 72050112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105697020).

72050112 is an abundant number, since it is smaller than the sum of its proper divisors (139343928).

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

72050112 is a wasteful number, since it uses less digits than its factorization.

72050112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2970 (or 2957 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 72050112 is about 8488.2337385348. The cubic root of 72050112 is about 416.1132581167.

Adding to 72050112 its reverse (21105027), we get a palindrome (93155139).

The spelling of 72050112 in words is "seventy-two million, fifty thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 43 48 64 72 86 96 129 144 172 192 258 288 344 387 516 576 688 774 1032 1376 1548 2064 2752 2909 3096 4128 5818 6192 8256 8727 11636 12384 17454 23272 24768 26181 34908 46544 52362 69816 93088 104724 125087 139632 186176 209448 250174 279264 375261 418896 500348 558528 750522 837792 1000696 1125783 1501044 1675584 2001392 2251566 3002088 4002784 4503132 6004176 8005568 9006264 12008352 18012528 24016704 36025056 72050112