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72112573 = 1359149631
BaseRepresentation
bin1000100110001…
…01100110111101
312000200200212001
410103011212331
5121430100243
611053342301
71533642511
oct423054675
9160620761
1072112573
1137784275
1220197991
1311c2b280
149812141
1564e6a4d
hex44c59bd

72112573 has 16 divisors (see below), whose sum is σ = 79632000. Its totient is φ = 64895040.

The previous prime is 72112561. The next prime is 72112583. The reversal of 72112573 is 37521127.

It is a cyclic number.

It is not a de Polignac number, because 72112573 - 213 = 72104381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72112583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113968 + ... + 114598.

It is an arithmetic number, because the mean of its divisors is an integer number (4977000).

Almost surely, 272112573 is an apocalyptic number.

It is an amenable number.

72112573 is a deficient number, since it is larger than the sum of its proper divisors (7519427).

72112573 is a wasteful number, since it uses less digits than its factorization.

72112573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852.

The product of its digits is 2940, while the sum is 28.

The square root of 72112573 is about 8491.9122110394. The cubic root of 72112573 is about 416.2334677067.

The spelling of 72112573 in words is "seventy-two million, one hundred twelve thousand, five hundred seventy-three".

Divisors: 1 13 59 149 631 767 1937 8203 8791 37229 94019 114283 483977 1222247 5547121 72112573