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61411470 = 2352047049
BaseRepresentation
bin1110101001000…
…1000010001110
311021120000200220
43222101002032
5111210131340
610032132210
71343663121
oct352210216
9137500626
1061411470
113173538a
1218697066
13c952563
1482283b8
1555d0ed0
hex3a9108e

61411470 has 16 divisors (see below), whose sum is σ = 147387600. Its totient is φ = 16376384.

The previous prime is 61411447. The next prime is 61411487. The reversal of 61411470 is 7411416.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 61411470.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1023495 + ... + 1023554.

It is an arithmetic number, because the mean of its divisors is an integer number (9211725).

Almost surely, 261411470 is an apocalyptic number.

61411470 is an abundant number, since it is smaller than the sum of its proper divisors (85976130).

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

61411470 is a wasteful number, since it uses less digits than its factorization.

61411470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047059.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 61411470 is about 7836.5470712553. The cubic root of 61411470 is about 394.5328451532.

Adding to 61411470 its reverse (7411416), we get a palindrome (68822886).

The spelling of 61411470 in words is "sixty-one million, four hundred eleven thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 2047049 4094098 6141147 10235245 12282294 20470490 30705735 61411470