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61007634 = 2339471193
BaseRepresentation
bin1110100010111…
…0011100010010
311020210111202000
43220232130102
5111104221014
610015334430
71340361552
oct350563422
9136714660
1061007634
1131489a36
1218521416
13c8407bc
148161162
155551509
hex3a2e712

61007634 has 32 divisors (see below), whose sum is σ = 135829440. Its totient is φ = 20297376.

The previous prime is 61007623. The next prime is 61007641. The reversal of 61007634 is 43670016.

61007634 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 (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61007598 and 61007607.

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, 50542 + ... + 51734.

It is an arithmetic number, because the mean of its divisors is an integer number (4244670).

Almost surely, 261007634 is an apocalyptic number.

61007634 is an abundant number, since it is smaller than the sum of its proper divisors (74821806).

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

61007634 is a wasteful number, since it uses less digits than its factorization.

61007634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151 (or 2145 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 61007634 is about 7810.7383773879. The cubic root of 61007634 is about 393.6661390566. Note that the first 3 decimals are identical.

The spelling of 61007634 in words is "sixty-one million, seven thousand, six hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 947 1193 1894 2386 2841 3579 5682 7158 8523 10737 17046 21474 25569 32211 51138 64422 1129771 2259542 3389313 6778626 10167939 20335878 30503817 61007634