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68148006 = 23372511223
BaseRepresentation
bin1000000111111…
…01101100100110
311202020021111020
410003331230212
5114421214011
610432352010
71455151143
oct403755446
9152207436
1068148006
1135516673
121a9a5606
1311170884
14909d3ca
155eb2006
hex40fdb26

68148006 has 32 divisors (see below), whose sum is σ = 140652288. Its totient is φ = 21996000.

The previous prime is 68147977. The next prime is 68148071. The reversal of 68148006 is 60084186.

68148006 = 3912 + 3922 + ... + 6412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55111 + ... + 56333.

It is an arithmetic number, because the mean of its divisors is an integer number (4395384).

Almost surely, 268148006 is an apocalyptic number.

68148006 is an abundant number, since it is smaller than the sum of its proper divisors (72504282).

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

68148006 is a wasteful number, since it uses less digits than its factorization.

68148006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 68148006 is about 8255.1805552635. The cubic root of 68148006 is about 408.4614276824.

The spelling of 68148006 in words is "sixty-eight million, one hundred forty-eight thousand, six".

Divisors: 1 2 3 6 37 74 111 222 251 502 753 1223 1506 2446 3669 7338 9287 18574 27861 45251 55722 90502 135753 271506 306973 613946 920919 1841838 11358001 22716002 34074003 68148006