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47140590 = 2357376067
BaseRepresentation
bin1011001111010…
…0111011101110
310021200222201210
42303310323232
544031444330
64402215250
71111455060
oct263647356
9107628653
1047140590
1124678472
1213954526
1399c6a53
146391730
1542128b0
hex2cf4eee

47140590 has 64 divisors (see below), whose sum is σ = 132816384. Its totient is φ = 10482048.

The previous prime is 47140567. The next prime is 47140603. The reversal of 47140590 is 9504174.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4737 + ... + 10803.

It is an arithmetic number, because the mean of its divisors is an integer number (2075256).

Almost surely, 247140590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47140590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66408192).

47140590 is an abundant number, since it is smaller than the sum of its proper divisors (85675794).

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

47140590 is a wasteful number, since it uses less digits than its factorization.

47140590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6121.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 47140590 is about 6865.9005236021. The cubic root of 47140590 is about 361.2420830551.

The spelling of 47140590 in words is "forty-seven million, one hundred forty thousand, five hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 37 42 70 74 105 111 185 210 222 259 370 518 555 777 1110 1295 1554 2590 3885 6067 7770 12134 18201 30335 36402 42469 60670 84938 91005 127407 182010 212345 224479 254814 424690 448958 637035 673437 1122395 1274070 1346874 1571353 2244790 3142706 3367185 4714059 6734370 7856765 9428118 15713530 23570295 47140590