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68267454 = 2329533853
BaseRepresentation
bin1000001000110…
…10110110111110
311202110100100020
410010122312332
5114434024304
610435113010
71456156323
oct404326676
9152410306
1068267454
1135598392
121aa42766
13111b3058
1490d0b4a
155ed75d9
hex411adbe

68267454 has 16 divisors (see below), whose sum is σ = 136616592. Its totient is φ = 22742208.

The previous prime is 68267449. The next prime is 68267467. The reversal of 68267454 is 45476286.

It is a congruent number.

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, 15792 + ... + 19644.

It is an arithmetic number, because the mean of its divisors is an integer number (8538537).

Almost surely, 268267454 is an apocalyptic number.

68267454 is an abundant number, since it is smaller than the sum of its proper divisors (68349138).

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

68267454 is a wasteful number, since it uses less digits than its factorization.

68267454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6811.

The product of its digits is 322560, while the sum is 42.

The square root of 68267454 is about 8262.4121175357. The cubic root of 68267454 is about 408.6999351376.

The spelling of 68267454 in words is "sixty-eight million, two hundred sixty-seven thousand, four hundred fifty-four".

Divisors: 1 2 3 6 2953 3853 5906 7706 8859 11559 17718 23118 11377909 22755818 34133727 68267454