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68464134 = 23217376047
BaseRepresentation
bin1000001010010…
…10111000000110
311202211100010200
410011022320012
5120011323014
610443231330
71460635614
oct405127006
9152740120
1068464134
1135712132
121ab18546
131125172b
1491426b4
156025a09
hex414ae06

68464134 has 48 divisors (see below), whose sum is σ = 161336448. Its totient is φ = 20894976.

The previous prime is 68464133. The next prime is 68464153. The reversal of 68464134 is 43146486.

68464134 is a `hidden beast` number, since 6 + 8 + 4 + 641 + 3 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68464133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8299 + ... + 14345.

It is an arithmetic number, because the mean of its divisors is an integer number (3361176).

Almost surely, 268464134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68464134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80668224).

68464134 is an abundant number, since it is smaller than the sum of its proper divisors (92872314).

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

68464134 is a wasteful number, since it uses less digits than its factorization.

68464134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6109 (or 6106 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 68464134 is about 8274.3056506271. The cubic root of 68464134 is about 409.0920499093.

The spelling of 68464134 in words is "sixty-eight million, four hundred sixty-four thousand, one hundred thirty-four".

Divisors: 1 2 3 6 9 17 18 34 37 51 74 102 111 153 222 306 333 629 666 1258 1887 3774 5661 6047 11322 12094 18141 36282 54423 102799 108846 205598 223739 308397 447478 616794 671217 925191 1342434 1850382 2013651 3803563 4027302 7607126 11410689 22821378 34232067 68464134