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72667383 = 325579473
BaseRepresentation
bin1000101010011…
…01000011110111
312001201212220120
410111031003313
5122100324013
611113303023
71541443155
oct425150367
9161655816
1072667383
1138023098
1220404a73
1312093969
1499183d5
1565a6123
hex454d0f7

72667383 has 8 divisors (see below), whose sum is σ = 96937968. Its totient is φ = 48420864.

The previous prime is 72667351. The next prime is 72667423. The reversal of 72667383 is 38376627.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72667383 - 25 = 72667351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72667303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2935 + ... + 12407.

It is an arithmetic number, because the mean of its divisors is an integer number (12117246).

Almost surely, 272667383 is an apocalyptic number.

72667383 is a deficient number, since it is larger than the sum of its proper divisors (24270585).

72667383 is a wasteful number, since it uses less digits than its factorization.

72667383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12033.

The product of its digits is 254016, while the sum is 42.

The square root of 72667383 is about 8524.5165845343. The cubic root of 72667383 is about 417.2981954655.

The spelling of 72667383 in words is "seventy-two million, six hundred sixty-seven thousand, three hundred eighty-three".

Divisors: 1 3 2557 7671 9473 28419 24222461 72667383