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61004370 = 2357290497
BaseRepresentation
bin1110100010110…
…1101001010010
311020210100021010
43220231221102
5111104114440
610015311350
71340346210
oct350555122
9136710233
1061004370
1131487539
121851b556
13c83c17b
14815dcb0
155550580
hex3a2da52

61004370 has 32 divisors (see below), whose sum is σ = 167326848. Its totient is φ = 13943808.

The previous prime is 61004369. The next prime is 61004467. The reversal of 61004370 is 7340016.

61004370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 145039 + ... + 145458.

It is an arithmetic number, because the mean of its divisors is an integer number (5228964).

Almost surely, 261004370 is an apocalyptic number.

61004370 is an abundant number, since it is smaller than the sum of its proper divisors (106322478).

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

61004370 is a wasteful number, since it uses less digits than its factorization.

61004370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290514.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 61004370 is about 7810.5294314790. The cubic root of 61004370 is about 393.6591183550.

Adding to 61004370 its reverse (7340016), we get a palindrome (68344386).

The spelling of 61004370 in words is "sixty-one million, four thousand, three hundred seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 290497 580994 871491 1452485 1742982 2033479 2904970 4066958 4357455 6100437 8714910 10167395 12200874 20334790 30502185 61004370