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67340742 = 2373151721
BaseRepresentation
bin1000000001110…
…00100111000110
311200201021010120
410000320213012
5114214400432
610403202410
71445246460
oct400704706
9150637116
1067340742
1135015107
121a676406
1310c4a2c1
148d2d130
155da2c2c
hex40389c6

67340742 has 32 divisors (see below), whose sum is σ = 158889984. Its totient is φ = 18619200.

The previous prime is 67340729. The next prime is 67340759. The reversal of 67340742 is 24704376.

It is a super-2 number, since 2×673407422 = 9069551066221128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24559 + ... + 27162.

It is an arithmetic number, because the mean of its divisors is an integer number (4965312).

Almost surely, 267340742 is an apocalyptic number.

67340742 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

67340742 is an abundant number, since it is smaller than the sum of its proper divisors (91549242).

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

67340742 is a wasteful number, since it uses less digits than its factorization.

67340742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51764.

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 67340742 is about 8206.1405057432. The cubic root of 67340742 is about 406.8421734909.

The spelling of 67340742 in words is "sixty-seven million, three hundred forty thousand, seven hundred forty-two".

Divisors: 1 2 3 6 7 14 21 31 42 62 93 186 217 434 651 1302 51721 103442 155163 310326 362047 724094 1086141 1603351 2172282 3206702 4810053 9620106 11223457 22446914 33670371 67340742