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51010074 = 235104959
BaseRepresentation
bin1100001010010…
…1101000011010
310112222120200000
43002211220122
5101024310244
65021153430
71156402263
oct302455032
9115876600
1051010074
1126880695
12150bb876
13a75009b
146abb96a
154729169
hex30a5a1a

51010074 has 24 divisors (see below), whose sum is σ = 114616320. Its totient is φ = 17003196.

The previous prime is 51010061. The next prime is 51010103. The reversal of 51010074 is 47001015.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 51994 + ... + 52965.

It is an arithmetic number, because the mean of its divisors is an integer number (4775680).

Almost surely, 251010074 is an apocalyptic number.

51010074 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

51010074 is an abundant number, since it is smaller than the sum of its proper divisors (63606246).

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

51010074 is a wasteful number, since it uses less digits than its factorization.

51010074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104976 (or 104964 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 51010074 is about 7142.1337147942. The cubic root of 51010074 is about 370.8673927841.

Adding to 51010074 its reverse (47001015), we get a palindrome (98011089).

The spelling of 51010074 in words is "fifty-one million, ten thousand, seventy-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 104959 209918 314877 629754 944631 1889262 2833893 5667786 8501679 17003358 25505037 51010074