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67900438 = 241578167
BaseRepresentation
bin1000000110000…
…01010000010110
311201202200220001
410003001100112
5114340303223
610423201514
71453100314
oct403012026
9151680801
1067900438
1135367671
121a8a629a
13110b4c98
1490370b4
155e639ad
hex40c1416

67900438 has 8 divisors (see below), whose sum is σ = 101887632. Its totient is φ = 33937896.

The previous prime is 67900429. The next prime is 67900451. The reversal of 67900438 is 83400976.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×679004382 = 9220938961183688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67900397 and 67900406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4231 + ... + 12397.

It is an arithmetic number, because the mean of its divisors is an integer number (12735954).

Almost surely, 267900438 is an apocalyptic number.

67900438 is a deficient number, since it is larger than the sum of its proper divisors (33987194).

67900438 is a wasteful number, since it uses less digits than its factorization.

67900438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12326.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 67900438 is about 8240.1722069384. The cubic root of 67900438 is about 407.9662081138.

The spelling of 67900438 in words is "sixty-seven million, nine hundred thousand, four hundred thirty-eight".

Divisors: 1 2 4157 8167 8314 16334 33950219 67900438