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71463090 = 2352382103
BaseRepresentation
bin1000100001001…
…11000010110010
311222110200221010
410100213002302
5121243304330
611031411350
71525266126
oct420470262
9158420833
1071463090
1137380306
121bb23b56
1311a6176a
1496c3586
1564193b0
hex44270b2

71463090 has 16 divisors (see below), whose sum is σ = 171511488. Its totient is φ = 19056816.

The previous prime is 71463061. The next prime is 71463109. The reversal of 71463090 is 9036417.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2382103 = 71463090 / (7 + 1 + 4 + 6 + 3 + 0 + 9 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1191022 + ... + 1191081.

It is an arithmetic number, because the mean of its divisors is an integer number (10719468).

Almost surely, 271463090 is an apocalyptic number.

71463090 is an abundant number, since it is smaller than the sum of its proper divisors (100048398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71463090 is a wasteful number, since it uses less digits than its factorization.

71463090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382113.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 71463090 is about 8453.5844468486. The cubic root of 71463090 is about 414.9800929145.

The spelling of 71463090 in words is "seventy-one million, four hundred sixty-three thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 2382103 4764206 7146309 11910515 14292618 23821030 35731545 71463090