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47609090 = 2528316823
BaseRepresentation
bin1011010110011…
…1010100000010
310022120210101122
42311213110002
544141442330
64420232242
71115446004
oct265472402
9108523348
1047609090
1124968461
1213b3b682
139b2c079
146474374
1542a65e5
hex2d67502

47609090 has 16 divisors (see below), whose sum is σ = 86004288. Its totient is φ = 18975216.

The previous prime is 47609071. The next prime is 47609099. The reversal of 47609090 is 9090674.

It is a happy number.

47609090 is a modest number, since divided by 9090 gives 4760 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 47609090.

It is not an unprimeable number, because it can be changed into a prime (47609099) 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, 5582 + ... + 11241.

It is an arithmetic number, because the mean of its divisors is an integer number (5375268).

Almost surely, 247609090 is an apocalyptic number.

47609090 is a deficient number, since it is larger than the sum of its proper divisors (38395198).

47609090 is a wasteful number, since it uses less digits than its factorization.

47609090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17113.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 47609090 is about 6899.9340576559. The cubic root of 47609090 is about 362.4348578942.

The spelling of 47609090 in words is "forty-seven million, six hundred nine thousand, ninety".

Divisors: 1 2 5 10 283 566 1415 2830 16823 33646 84115 168230 4760909 9521818 23804545 47609090