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67042248 = 23371330697
BaseRepresentation
bin1111111110111…
…1101111001000
311200011002200020
43333233233020
5114130322443
610352540440
71442564310
oct377575710
9150132606
1067042248
1134930919
121a551720
1310b74490
148c92440
155d44583
hex3fefbc8

67042248 has 64 divisors (see below), whose sum is σ = 206290560. Its totient is φ = 17680896.

The previous prime is 67042211. The next prime is 67042249. The reversal of 67042248 is 84224076.

It is not an unprimeable number, because it can be changed into a prime (67042249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13165 + ... + 17532.

It is an arithmetic number, because the mean of its divisors is an integer number (3223290).

Almost surely, 267042248 is an apocalyptic number.

It is an amenable number.

67042248 is an abundant number, since it is smaller than the sum of its proper divisors (139248312).

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

67042248 is a wasteful number, since it uses less digits than its factorization.

67042248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30726 (or 30722 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 67042248 is about 8187.9330725159. The cubic root of 67042248 is about 406.2401614028.

The spelling of 67042248 in words is "sixty-seven million, forty-two thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 42 52 56 78 84 91 104 156 168 182 273 312 364 546 728 1092 2184 30697 61394 92091 122788 184182 214879 245576 368364 399061 429758 644637 736728 798122 859516 1197183 1289274 1596244 1719032 2394366 2578548 2793427 3192488 4788732 5157096 5586854 8380281 9577464 11173708 16760562 22347416 33521124 67042248