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72630147 = 341590489
BaseRepresentation
bin1000101010000…
…11111110000011
312001122222211110
410111003332003
5122043131042
611112414403
71541226462
oct425037603
9161588743
1072630147
1137aa8117
12203a7403
131207ca25
1499089d9
15659a09c
hex4543f83

72630147 has 8 divisors (see below), whose sum is σ = 99202320. Its totient is φ = 47239040.

The previous prime is 72630133. The next prime is 72630169. The reversal of 72630147 is 74103627.

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

It is a cyclic number.

It is not a de Polignac number, because 72630147 - 218 = 72368003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72630197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295122 + ... + 295367.

It is an arithmetic number, because the mean of its divisors is an integer number (12400290).

Almost surely, 272630147 is an apocalyptic number.

72630147 is a deficient number, since it is larger than the sum of its proper divisors (26572173).

72630147 is a wasteful number, since it uses less digits than its factorization.

72630147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590533.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 72630147 is about 8522.3322512092. The cubic root of 72630147 is about 417.2269063956.

The spelling of 72630147 in words is "seventy-two million, six hundred thirty thousand, one hundred forty-seven".

Divisors: 1 3 41 123 590489 1771467 24210049 72630147