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68114480 = 2457121633
BaseRepresentation
bin1000000111101…
…01100000110000
311202011120111112
410003311200300
5114414130410
610431532452
71454651330
oct403654060
9152146445
1068114480
11354a3465
121a98a128
131115b535
1490910c0
155ea7105
hex40f5830

68114480 has 40 divisors (see below), whose sum is σ = 180991392. Its totient is φ = 23353344.

The previous prime is 68114443. The next prime is 68114483. The reversal of 68114480 is 8441186.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (68114483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60257 + ... + 61376.

Almost surely, 268114480 is an apocalyptic number.

It is an amenable number.

68114480 is an abundant number, since it is smaller than the sum of its proper divisors (112876912).

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

68114480 is a wasteful number, since it uses less digits than its factorization.

68114480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121653 (or 121647 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 68114480 is about 8253.1497017805. The cubic root of 68114480 is about 408.3944346532.

The spelling of 68114480 in words is "sixty-eight million, one hundred fourteen thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 121633 243266 486532 608165 851431 973064 1216330 1702862 1946128 2432660 3405724 4257155 4865320 6811448 8514310 9730640 13622896 17028620 34057240 68114480