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72042363 = 3259211643
BaseRepresentation
bin1000100101101…
…00011101111011
312000120010112200
410102310131323
5121420323423
611052041243
71533231021
oct422643573
9160503480
1072042363
1137736548
1220163223
1311c05323
1497d4711
1564d0d43
hex44b477b

72042363 has 24 divisors (see below), whose sum is σ = 106491840. Its totient is φ = 46917360.

The previous prime is 72042361. The next prime is 72042389. The reversal of 72042363 is 36324027.

It is not a de Polignac number, because 72042363 - 21 = 72042361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72042361) 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, 111720 + ... + 112362.

It is an arithmetic number, because the mean of its divisors is an integer number (4437160).

Almost surely, 272042363 is an apocalyptic number.

72042363 is a deficient number, since it is larger than the sum of its proper divisors (34449477).

72042363 is a wasteful number, since it uses less digits than its factorization.

72042363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 72042363 is about 8487.7772708760. Note that the first 3 decimals coincide. The cubic root of 72042363 is about 416.0983399015.

The spelling of 72042363 in words is "seventy-two million, forty-two thousand, three hundred sixty-three".

Divisors: 1 3 9 59 177 211 531 633 643 1899 1929 5787 12449 37347 37937 112041 113811 135673 341433 407019 1221057 8004707 24014121 72042363