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68338458 = 2331265527
BaseRepresentation
bin1000001001011…
…00001100011010
311202120221202000
410010230030122
5114443312313
610440421430
71456603326
oct404541432
9152527660
1068338458
1135636771
121aa77876
1311209476
14910c986
155eed673
hex412c31a

68338458 has 16 divisors (see below), whose sum is σ = 151863360. Its totient is φ = 22779468.

The previous prime is 68338447. The next prime is 68338493. The reversal of 68338458 is 85483386.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632710 + ... + 632817.

It is an arithmetic number, because the mean of its divisors is an integer number (9491460).

Almost surely, 268338458 is an apocalyptic number.

68338458 is an abundant number, since it is smaller than the sum of its proper divisors (83524902).

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

68338458 is a wasteful number, since it uses less digits than its factorization.

68338458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265538 (or 1265532 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 68338458 is about 8266.7078090374. The cubic root of 68338458 is about 408.8415803553.

The spelling of 68338458 in words is "sixty-eight million, three hundred thirty-eight thousand, four hundred fifty-eight".

Divisors: 1 2 3 6 9 18 27 54 1265527 2531054 3796581 7593162 11389743 22779486 34169229 68338458