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67290716 = 22373071481
BaseRepresentation
bin1000000001011…
…00011001011100
311200121201111202
410000230121130
5114211300331
610402135032
71444650563
oct400543134
9150551452
1067290716
1134a90569
121a651478
1310c305bc
148d18bda
155d92ecb
hex402c65c

67290716 has 24 divisors (see below), whose sum is σ = 121417296. Its totient is φ = 32607360.

The previous prime is 67290703. The next prime is 67290733. The reversal of 67290716 is 61709276.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 67290716.

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, 44696 + ... + 46176.

It is an arithmetic number, because the mean of its divisors is an integer number (5059054).

Almost surely, 267290716 is an apocalyptic number.

It is an amenable number.

67290716 is a deficient number, since it is larger than the sum of its proper divisors (54126580).

67290716 is a wasteful number, since it uses less digits than its factorization.

67290716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829 (or 1827 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 67290716 is about 8203.0918561235. The cubic root of 67290716 is about 406.7414037444.

The spelling of 67290716 in words is "sixty-seven million, two hundred ninety thousand, seven hundred sixteen".

Divisors: 1 2 4 37 74 148 307 614 1228 1481 2962 5924 11359 22718 45436 54797 109594 219188 454667 909334 1818668 16822679 33645358 67290716