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68372312 = 238546539
BaseRepresentation
bin1000001001101…
…00011101011000
311202122200011212
410010310131120
5120000403222
610441242252
71460104121
oct404643530
9152580155
1068372312
113565a148
121aa93388
131121b9b8
14911b048
1560086e2
hex4134758

68372312 has 8 divisors (see below), whose sum is σ = 128198100. Its totient is φ = 34186152.

The previous prime is 68372309. The next prime is 68372323. The reversal of 68372312 is 21327386.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4273262 + ... + 4273277.

Almost surely, 268372312 is an apocalyptic number.

It is an amenable number.

68372312 is a deficient number, since it is larger than the sum of its proper divisors (59825788).

68372312 is a wasteful number, since it uses less digits than its factorization.

68372312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8546545 (or 8546541 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 68372312 is about 8268.7551662871. The cubic root of 68372312 is about 408.9090808440.

Adding to 68372312 its reverse (21327386), we get a palindrome (89699698).

The spelling of 68372312 in words is "sixty-eight million, three hundred seventy-two thousand, three hundred twelve".

Divisors: 1 2 4 8 8546539 17093078 34186156 68372312