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72678104 = 2379114997
BaseRepresentation
bin1000101010011…
…11101011011000
312001202102121122
410111033223120
5122101144404
611113424412
71541516342
oct425175330
9161672548
1072678104
1138030154
122040b108
13120987c5
14991c292
1565a93be
hex454fad8

72678104 has 16 divisors (see below), whose sum is σ = 137997600. Its totient is φ = 35878752.

The previous prime is 72678083. The next prime is 72678107. The reversal of 72678104 is 40187627.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72678107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56867 + ... + 58130.

It is an arithmetic number, because the mean of its divisors is an integer number (8624850).

Almost surely, 272678104 is an apocalyptic number.

It is an amenable number.

72678104 is a deficient number, since it is larger than the sum of its proper divisors (65319496).

72678104 is a wasteful number, since it uses less digits than its factorization.

72678104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115082 (or 115078 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 72678104 is about 8525.1453946546. The cubic root of 72678104 is about 417.3187165199.

The spelling of 72678104 in words is "seventy-two million, six hundred seventy-eight thousand, one hundred four".

Divisors: 1 2 4 8 79 158 316 632 114997 229994 459988 919976 9084763 18169526 36339052 72678104